🗣️ 情景例句
What did I do with them?
我把它们放在哪儿了？
A test pilot needs plenty of nerve.
飞行试飞员需要极大的勇气。
For most of the earth's history they have been the only form of life on our planet.
在地球上发展的大部分进程中，细菌是地球上唯一的生命形式。