Binaphthyl
联萘
🗣️ 情景例句
It is nice of you to invite me to the party tonight.
你真好，邀请我参加今晚的聚会。
How long could the buyer expect your product to last?
购买者期望你们产品的使用期是多久呢？
Hello, Betty. When are you going off to Guangzhou?
你好，贝蒂。你什么时候去广州？