Amy's father looks after two elephants in the zoo.
艾米的爸爸在动物园里照看两只大象。
Inside are tiny "springs" made of carbon nanotubes - minuscule hair-like filaments - that can "sense" pressure from a slight pinch up to the equivalent of two elephants stepping on top of the sensor.
传感器内部是由碳纳米管制成的微型“弹簧”——非常细小，像头发丝一样——能够感知不同的压力，小到轻轻地捏一下，大到相当于两头大象站在顶上。
It will take two elephants to drag all this wood away.
需要两头大象才能把所有的木材拖走。
The two Elephants with their trunks and a few dwarfs with their little axes soon got it all undone.
两头大象用鼻子、几个小矮人用小斧很快分开了那些树枝。
The two Elephants with their trunks and a few dwarfs with their little axes soon got it all undone.
两头大象用鼻子、几个小矮人用小斧很快分开了那些树枝。
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