科学美国人60秒 SSS 2013-10-25_在线英语听力室

(单词翻译:双击或拖选)

Called grass hopper mice have an unusual favorite food. Not grass hopper, no, they really like scorpions². You can see theproblem. But the mice shrug³ off any scorpion¹ things(stings).And the new study shows how.

Researcher injected common house mice of(with)scorpion vannam.(venom,)The injection died forseveral minutes. But grass hopper mice injected the vannam fost for only a fewseveral seconds. In fact , they were more bordered by salian solutions. So what’sgoing on?

In the house mouse, a specific type of nerb got a signal channel got activated⁴ by vanam. But the same channelin grass hopper mice stayed inactivated⁵ by the presence of the vannam. Whichmeans blissfully ignorant. In addition, a path way did reacted to thescorpion vannam.And it actually temporarily block pin signals, means that forgrass hopper mice, scorpion vannam is actually .

Understanding details of this system could approach the treat men to pinion⁶ of human.That is someday we might ask:scorpions,where is

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1 scorpion
n.蝎子，心黑的人，蝎子鞭
参考例句：
The scorpion has a sting that can be deadly.蝎子有可以致命的螫针。 The scorpion has a sting that can be deadly.蝎子有可以致命的螫针。

2 scorpions
n.蝎子( scorpion的名词复数 )
参考例句：
You promise me that Black Scorpions will never come back to Lanzhou. 你保证黑蝎子永远不再踏上兰州的土地。来自电影对白 You Scorpions are rather secretive about your likes and dislikes. 天蝎：蝎子是如此的神秘，你的喜好很难被别人洞悉。来自互联网

3 shrug
v.耸肩(表示怀疑、冷漠、不知等)
参考例句：
With a shrug,he went out of the room.他耸一下肩，走出了房间。 I admire the way she is able to shrug off unfair criticism.我很佩服她能对错误的批评意见不予理会。

4 activated
adj. 激活的动词activate的过去式和过去分词
参考例句：
The canister is filled with activated charcoal.蒸气回收罐中充满了活性炭。

5 inactivated
v.使不活泼，阻止活动( inactivate的过去式和过去分词 )
参考例句：
Molluscicides are quickly inactivated by sunlight and adsorption to mud organic matter. 灭螺剂因阳光作用、泥土及有机物质的吸收会很快失效。来自辞典例句 Viruses were inactivated by BPL and the toxicity measured again. BPL对病毒进行灭活，测定残存毒力。来自互联网

6 pinion
v.束缚；n.小齿轮
参考例句：
At nine the next morning Bentley was pinioned,hooded and hanged.次日上午9点，本特里被捆住双臂，戴上头罩，然后绞死了。 Why don't you try tightening the pinion nut first?你为什么不先扭紧小齿轮的螺帽？

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科学美国人60秒 SSS 2013-10-25