Acetylide
n. [化]乙炔化物
🗣️ 情景例句
How much does a return ticket cost?
返程票多少钱？
Be careful whom you appoint to the position of manager.
你该当心你所任命的那个经理。
They were also quite sure that a cigarette end did not start the fire.
他们还十分肯定火灾也不是由烟头引起的。