To test his hypothesis, Choe and his team put different chemicals on Argentine ant pupae. When the scientists used the Im dead chemical, other ants quickly hauled the treated pupae7 away. When the scientists used the Wait- Im not dead yet chemicals, other ants left the treated pupae alone. Choe believes this behavior shows that the not dead yet chemicals override the dead chemical when picked up by adult ants. And that when an ant dies, the not dead yet chemicals fade away. Other nearby ants then detect the remaining dead chemical and remove the body from the nest.
词汇:
Zombie n 还魂尸,僵尸 Pupa n.蛹
Graveyard n.墓地
hypothesis n.假设
override v.优先于,比更重要
注释:
1. night:night 是个多义词,其比喻意义是死亡,即本篇短文标题中该词的意思。标 题是用了逆喻的修辞手法。
2. the University of California:加利福尼亚大学,位于美国西部的公立高等学校系统 ,目前拥有10所大学,包括加州大学伯克利分校、洛杉矶分校、 圣地亚哥分校、圣克鲁兹分校等。
3. Argentine:阿根廷,位于南美洲的国家。
4. But theres a twist to Choes discovery.然而,Choe 又有了新的出乎意料的发现。 Twist 有出人意料的变化的意思。
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