🗣️ 情景例句
I keep thinking about the dog -- about Gemma,
我一直在想那只狗 Gemma，
Time flies.
时光易逝。
Precautions of this sort are necessary, for it is impossible to foretell the exact nature of the difficulties which will confront the pot-holer.
作出这样的准备是必要的，因为无法预见到洞穴探险者究竟会遇到什么性质的困难。