Acetylide
n. [化]乙炔化物
🗣️ 情景例句
The checkout counters are very busy.
收款台都很忙。
I ask hin to tell me everything he saw.
我要求他告诉我，他所看到的每件事情。
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。