Propiolyl
[化] 丙炔酰
??? 情景例句
An oil tanker ran aground and lost about 15,000 gallons of gas into the sea.
一般油輪擱淺，把 15000 加侖油傾瀉在海里了。
Three removes are as bad as a fire.
三次搬家猶如一次失火。
Shall I keep him away from school?
我是否要他不去上學(xué)？