Butenandt
布特南特(Adolf, 1903-, 德国化学家, 曾获1939年诺贝尔化学奖)
🗣️ 情景例句
What if we can't tie the tie?
如果我们弄不好领结怎么办？
How many pieces are you going to buy?
你要买几块？
What's your job?
你做什么工作？