Phenesterine
[化] 苯芥胆甾醇; 胆甾醇对苯乙酸氮芥
🗣️ 情景例句
How long has he held office?
他已任职多长时间了？
Opportunity seldom knocks twice.
机不可失，失不再来。
Father Christmas is very kind-hearted.
圣诞老人心肠很好。