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单词拼写：
stem
音标发音：
[stem][stem]
词性词义：
n.干；[植]茎；船首；血统
速记技巧：
词源词根法
拆：
来自古英语stemn，植物茎，树干，来自Proto-Germanic*stamniz，站立，来自PIE*sta，站立，词源同stand,state.引申诸相关词义。
记：
干，茎
英英释义：
Noun:
1.(linguistics) the form of a word after all affixes are removed; "thematic vowels are part of the stem"2.a slender or elongated structure that supports a plant or fungus or a plant part or plant organ3.cylinder forming a long narrow part of something4.the tube of a tobacco pipe5.front part of a vessel or aircraft; "he pointed the bow of the boat toward the finish line"6.a turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it
短语词组：
verb stem动词词干
on a stem在茎上
a stem of a flower花梗
stem a stream堵住溪水
stem the spread制止蔓延
双语例句：
1.THE 20S ARE LIKE the stem cell of human development, the pluripotent moment when any of several outcomes is possible.
这些20来岁的人就像是人类发展当中的干细胞，是不同结果都有可能发生的多潜能性时刻。
2.It would be better to derive human stem cell lines from the body's mature cells, he said, a method that researchers are still working on.
由身体成熟细胞培养为人类胚胎干细胞会是一个更好的办法，不过研究人员还在努力研究这项技术。
3."So it is going to be interesting to see if prions play any role in demyelinating diseases that stem from the brain, " he says.
“如果小蛋白在脑部的其他疾病中都有影响那就更有趣了”，他说。
4.Embryonic stem cells are the source of every cell, tissue and organ in the body.
身体中的每一个细胞，组织和器官都来源于胚性干细胞。
5.In monkeys, the stem might not have bound to cells or might have latched on in a manner that did not trigger a response.
在猴子体内，抗体的Fc区域可能并不会黏附在细胞上，或是即使黏附在细胞上也无法启动免疫反应。
6.Spermatogonial stem cells (SSCs) are the only stem cells in the body that transmit genetic information to the next generation.
精原干细胞是机体内唯一一个能传递遗传信息至下一代的干细胞。
7.But a modified approach that does not involve viruses is likely to be the ultimate way of making human stem cells.
一种改良的没有病毒参与的方法可能是制造人体干细胞的最终方式。
8.Adipose stem cells have been used in numerous centers for cosmetic and reconstructive applications in humans, March said.
脂肪干细胞已经在很多中心被用于人类美容和整形中。
9.The stem of everyone eager, the sweat bedewed clothes, flow full ZHANG ZHANG's smiling face, hope the whose on the faces is all red all.
大家干得可起劲了，汗水沾湿了衣服，流满了张张笑脸，望望谁的脸上都是红通通的。
10.The allied air strikes against Libya are presenting a new challenge for the Bank of Japan in its efforts to stem the rise of the yen.
多国部队对利比亚的空中打击，正在对日本央行（BankofJapan）阻止日圆升值的努力构成新的挑战。
全部四级六级高考考研例句：
The humanities and STEM subjects should be given equal importance.
出自-2014年6月阅读原文
She noticed there was a real void in quality STEM education at all levels of the public educational system.
2017年12月四级真题（第二套）阅读 section A
Studies show they're also perceived as more competent than women in STEM Science, Technology, Engineering, and Mathematics fields.
2017年12月四级真题（第二套）阅读 Section C
We all know there exists a great void in the public educational system when it comes to exposure to STEM Science, Technology, Engineering and Mathematics courses.
2017年12月四级真题（第二套）阅读 Section A
本文参考文献：
1 http://www.mcb5.cn/show
2 http://www.mcb5.cn/world
3 http://www.mcb5.cn/follow
4 http://www.mcb5.cn/why
5 http://www.mcb5.cn/its
6 http://www.mcb5.cn/word
7 http://www.mcb5.cn/now
8 http://www.mcb5.cn/mean
9 http://www.mcb5.cn/well
10 http://www.mcb5.cn/thing
11 http://www.mcb5.cn/come
12 http://www.mcb5.cn/over
13 http://www.mcb5.cn/feel
14 http://www.mcb5.cn/even
15 http://www.mcb5.cn/where
16 http://www.mcb5.cn/very
17 http://www.mcb5.cn/text
18 http://www.mcb5.cn/change
19 http://www.mcb5.cn/much
20 http://www.mcb5.cn/long
核心重点高频常考单词-stem的发音/词性词义/用法/同近反义词/记忆法/词根词缀/高级替换词/中英文例句-秒词邦免费背单词赚钱微信小程序
单词拼写：
stem
音标发音：
[stem][stem]
词性词义：
n.干；[植]茎；船首；血统
速记技巧：
词源词根法
拆：
来自古英语stemn，植物茎，树干，来自Proto-Germanic*stamniz，站立，来自PIE*sta，站立，词源同stand,state.引申诸相关词义。
记：
干，茎
英英释义：
Noun:
1.(linguistics) the form of a word after all affixes are removed; "thematic vowels are part of the stem"2.a slender or elongated structure that supports a plant or fungus or a plant part or plant organ3.cylinder forming a long narrow part of something4.the tube of a tobacco pipe5.front part of a vessel or aircraft; "he pointed the bow of the boat toward the finish line"6.a turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it
短语词组：
verb stem动词词干
on a stem在茎上
a stem of a flower花梗
stem a stream堵住溪水
stem the spread制止蔓延
双语例句：
1.THE 20S ARE LIKE the stem cell of human development, the pluripotent moment when any of several outcomes is possible.
这些20来岁的人就像是人类发展当中的干细胞，是不同结果都有可能发生的多潜能性时刻。
2.It would be better to derive human stem cell lines from the body's mature cells, he said, a method that researchers are still working on.
由身体成熟细胞培养为人类胚胎干细胞会是一个更好的办法，不过研究人员还在努力研究这项技术。
3."So it is going to be interesting to see if prions play any role in demyelinating diseases that stem from the brain, " he says.
“如果小蛋白在脑部的其他疾病中都有影响那就更有趣了”，他说。
4.Embryonic stem cells are the source of every cell, tissue and organ in the body.
身体中的每一个细胞，组织和器官都来源于胚性干细胞。
5.In monkeys, the stem might not have bound to cells or might have latched on in a manner that did not trigger a response.
在猴子体内，抗体的Fc区域可能并不会黏附在细胞上，或是即使黏附在细胞上也无法启动免疫反应。
6.Spermatogonial stem cells (SSCs) are the only stem cells in the body that transmit genetic information to the next generation.
精原干细胞是机体内唯一一个能传递遗传信息至下一代的干细胞。
7.But a modified approach that does not involve viruses is likely to be the ultimate way of making human stem cells.
一种改良的没有病毒参与的方法可能是制造人体干细胞的最终方式。
8.Adipose stem cells have been used in numerous centers for cosmetic and reconstructive applications in humans, March said.
脂肪干细胞已经在很多中心被用于人类美容和整形中。
9.The stem of everyone eager, the sweat bedewed clothes, flow full ZHANG ZHANG's smiling face, hope the whose on the faces is all red all.
大家干得可起劲了，汗水沾湿了衣服，流满了张张笑脸，望望谁的脸上都是红通通的。
10.The allied air strikes against Libya are presenting a new challenge for the Bank of Japan in its efforts to stem the rise of the yen.
多国部队对利比亚的空中打击，正在对日本央行（BankofJapan）阻止日圆升值的努力构成新的挑战。
全部四级六级高考考研例句：
The humanities and STEM subjects should be given equal importance.
出自-2014年6月阅读原文
She noticed there was a real void in quality STEM education at all levels of the public educational system.
2017年12月四级真题（第二套）阅读 section A
Studies show they're also perceived as more competent than women in STEM Science, Technology, Engineering, and Mathematics fields.
2017年12月四级真题（第二套）阅读 Section C
We all know there exists a great void in the public educational system when it comes to exposure to STEM Science, Technology, Engineering and Mathematics courses.
2017年12月四级真题（第二套）阅读 Section A
本文参考文献：
1 http://www.mcb5.cn/show
2 http://www.mcb5.cn/world
3 http://www.mcb5.cn/follow
4 http://www.mcb5.cn/why
5 http://www.mcb5.cn/its
6 http://www.mcb5.cn/word
7 http://www.mcb5.cn/now
8 http://www.mcb5.cn/mean
9 http://www.mcb5.cn/well
10 http://www.mcb5.cn/thing
11 http://www.mcb5.cn/come
12 http://www.mcb5.cn/over
13 http://www.mcb5.cn/feel
14 http://www.mcb5.cn/even
15 http://www.mcb5.cn/where
16 http://www.mcb5.cn/very
17 http://www.mcb5.cn/text
18 http://www.mcb5.cn/change
19 http://www.mcb5.cn/much
20 http://www.mcb5.cn/long
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