1、 DOMESTICATION seems to make animals dumb.Without the need to forage,domestic creatures have gradually lost some of the wits displayed by their wild Cousins.
驯养似乎让动物都成了哑巴，无需自己寻找食物的家畜已逐渐失去了它们野生同类所表现出的一些智慧。
来源:秒词邦搜集整理
2、 The experiments with domestication probably occurred in many places, as people living in ever-drier environments cast around for more predictable food supplies.
随着人们居住环境不断变得干燥，以及食物供给的可预测性越来越强，驯化尝试很可能会在很多地方进行。
来源:秒词邦搜集整理
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