Polyphenyl
聚苯
🗣️ 情景例句
I expect you to be punctual.
我希望你守时。
Hope for the best, but prepare for the worst.
作最好的希望，作最坏的打算。
You are better now, but you mustn't get up yet. You must stay in bed for another two days.
你现在好些了，但你还不应该起床。你必须再卧床两天。