
When John Todd was a child, he loved to explore the woods around his house, observing how nature solved problems. A dirty stream, for example, often became clear after flowing through plants and along rocks where tiny creatures lived. When he got older, John started to wonder if this process could be used to clean up the messes people were making.
After studying agriculture, medicine, and fisheries in college, John went back to observing nature and asking questions. Why can certain plants trap harmful bacteria (细菌)? Which kinds of fish can eat cancer-causing chemicals? With the right combination of animals and plants, he figured, maybe he could clean up waste the way nature did. He decided to build what he would later call an eco-machine.
The task John set for himself was to remove harmful substances from some sludge (污泥). First, he constructed a series of clear fiberglass tanks connected to each other. Then he went around to local ponds and streams and brought back some plants and animals. He placed them in the tanks and waited. Little by little, these different kinds of life got used to one another and formed their own ecosystem. After a few weeks, John added the sludge.
He was amazed at the results. The plants and animals in the eco-machine took the sludge as food and began to eat it! within weeks, it had all been digested, and all that was left was pure water.
Over the years, John has taken on many big jobs. He developed a greenhouse — like facility that treated sewage (污水) from 1,600 homes in South Burlington. He also designed an eco-machine to clean canal water in Fuzhou, a city in southeast China.
“Ecological design” is the name John gives to what he does. “Life on Earth is kind of a box of spare parts for the inventor,” he says. “You put organisms in new relationships and observe what’s happening. Then you let these new systems develop their own ways to self-repair.”
当约翰·托德还是个孩子的时候,他喜欢探索房子周围的树林,观察大自然是如何解决问题的。例如,一条肮脏的溪流在穿过植物和微小生物居住的岩石后往往会变得清澈。当他长大后,约翰开始怀疑这个过程是否可以用来清理人们制造的混乱。
在大学里学习了农业、医学和渔业之后,约翰又开始观察大自然并提出问题。为什么某些植物能捕获有害细菌(细菌)?哪些鱼类可以吃致癌化学物质?他想,如果动物和植物的正确结合,也许他可以像大自然一样清理垃圾。他决定建造一台他后来称之为生态机器的机器。
约翰为自己设定的任务是清除一些污泥中的有害物质(污泥).首先,他建造了一系列相互连接的透明玻璃钢储罐。然后,他来到当地的池塘和溪流,带回了一些动植物。他把它们放在坦克里等着。渐渐地,这些不同种类的生命相互适应,形成了自己的生态系统。几周后,约翰加入了污泥。
他对结果感到惊讶。生态机器里的动植物把污泥当作食物,开始吃!几周内,它全部被消化掉了,剩下的只有纯水。
这些年来,约翰承担了许多重要的工作。他开发了一种处理污水的类似温室的设施(污水)来自南伯灵顿1600户人家。他还设计了一台生态机器来清洁中国东南部城市福州的运河水。
“生态设计”是约翰给他的工作起的名字。他说:“对于发明者来说,地球上的生命就像一盒备件。”。“你把生物体置于新的关系中,观察发生了什么。然后你让这些新系统发展出自己的自我修复方式。”
句子成分分析:
When JohnTodd was a child,||he loved toexplore the woods [around his house], observing | how nature solved problems.
句子语法结构详解:
* when 为连词,引导时间状语从句。
* was 为系动词作谓语,采用一般过去时。
* he 开头为陈述句。
* loved 为谓语,采用一般过去时。
* to explore 为不定式,作宾语。
* observing 为现在分词,作状语。
* how 为连接副词,引导宾语从句。
* solved 为谓语,采用一般过去时。
* he 为人称代词主格。his 为形容词型物主代词。the 为定冠词。a 为不定冠词。
句子相关词汇解释:
Vocabulary:
child [tʃaild] | n. | 1) 小孩 2) 儿女 |
love [lʌv] | vt. | 1) 爱,热爱 2) 喜欢,喜爱 |
explore [ik'splɔ:] | vt. | 1) 探索,勘探,探险 2) 探究,探讨 |
wood [wud] | n. | 1) (woods)树林,林地 2) 木, 木头,木材,木柴 |
around [ә'raund] | prep. | 1) 围绕, 环绕 2) 到处,向各处 |
house [haus] | n. | 1) 房子,房屋 2) 全家人 |
observe [әb'zә:v] | vt. | 1) 观察,注视,监视 2) 看到,注意到,观察到 |
nature ['neitʃә] | n. | 1) 大自然 2) 本性, 天性, 性格 |
solve [sɔlv] | vt. | 1) 解决,处理 2) 解答,破解 |
problem ['prɔblәm] | n. | 1) 棘手的问题,难题,困难 2) 逻辑题,数学题 |
句子成分分析:
A dirty stream, <for example>,often became clear [after flowing[through plants]and along rocks(where tiny creatures lived)].
句子语法结构详解:
(became 为 become 的过去式。)
* became 为系动词作谓语,采用一般过去时。
* clear 为形容词作表语。
* flowing 为动名词,作介词宾语。
* where 为关系副词,引导定语从句。
* lived 为谓语,采用一般过去时。
* a 为不定冠词。
句子相关词汇解释:
Phrase:
for example | 例如 |
Vocabulary:
dirty ['dә:ti] | a. | 1) 肮脏的,龌龊的,污秽的 2) 下流的,色情的,黄色的,猥亵的 |
stream [stri:m] | n. | 1) 小溪,小河 2) 液流(水流),气流 |
often ['ɔ:fn] | ad. | 常常; 经常; 时常 |
become [bi'kʌm] | vi. | 变化,变成 |
clear [kliә] | a. | 1) 清楚的,明白的,无疑的 2) 清晰易懂的,明白清楚的,不含混的 3) 明显的,显然的,明确的 4) 透明的,清澈的 |
after ['ɑ:ftә] | prep. | 1) (时间、次序或位置)在...之后 2) 仅次于 |
flow [flәu] | vi. | 1) (液体、气体或电)流,流动 2) (人或事物)涌流,流动 |
plant [plɑ:nt] | n. | 1) 植物 2) 工厂 |
and [ænd] | conj. | 1) 和, 与, 同, 并 2) 然后,接着 |
along [ә'lɔŋ] | prep. | 1) 沿着, 顺着 2) 靠着...的边, 沿着...的某处 |
rock [rɔk] | n. | 1) 岩石 2) 石山,礁石 |
tiny ['taini] | a. | 极小的,微小的,微量的 |
creature ['kri:tʃә] | n. | 1) 动物,生物 2) 人 |
live [liv] | vi. | 1) 居住, 住 2) 活,活着,生存 |
句子成分分析:
[Little by little], these different kinds (of life) got used to one another and formed their own ecosystem.
句子语法结构详解:
(got 为 get 的过去式。)
* got 为系动词作谓语,采用一般过去时。
* used 为形容词作表语。
* formed 为谓语,采用一般过去时。
* their 为形容词型物主代词。one 为相互代词。
句子相关词汇解释:
Phrase:
little by little | 逐渐地,一点一点地 |
get used to... | 适应..., 习惯于... |
one another | 相互,彼此 |
Vocabulary:
these [ði:z] | a. | 这些 |
different ['difәrәnt] | a. | 1) 不同的,有区别的,有差异的 2) 分别的,各别的,各种的 |
kind [kaind] | n. | 1) 种类,类别 2) 本质,实质,性质 |
life [laif] | n. | 1) 生活,生活经历 2) 生命,性命 3) 一生,终生 |
and [ænd] | conj. | 1) 和, 与, 同, 并 2) 然后,接着 |
form [fɔ:m] | vt. | 1) 形成 2) 成立,建立,创立 |
own [әun] | a. | 1) 自己的,本人的 2) 自己做的,为自己的 |
ecosystem ['i:kәu,sistәm] | n. | 生态系统 |
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