Phenylethene
[医] 苯乙烯, 桂皮烯
🗣️ 情景例句
Her surgery needs quite a lot of money.
她的手术得花不少钱。
The news caused great excitement.
这消息令人极为兴奋。
the varieties are infinite; but two classes may be roughly seen.
鸟的飞行方式千差万别，但大体上可分为两类。