🧩 词语组成解析
🗣️ 情景例句
He is making good progress after his operation.
他动过手术后病情大为好转。
I can't fasten this collar button.
我不能扣住这个领子钮扣。
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。