Binaphthol
联萘酚
🗣️ 情景例句
I wouldn't be surprised if your son goes to harvard.
我觉得你儿子很有希望上哈佛。
I can't fasten this collar button.
我不能扣住这个领子钮扣。
A week? As long as that?
一星期？要那么长时间？