Dicroton
二聚丁烯醛
🗣️ 情景例句
Let me think.
让我想想。
I would like to place a station-to-station call.
我要打一个叫号电话。
The man had connected the air-line to a supply line of oxygen, not compressed air.
这个工人把供气管接到了氧气供应管上，而不是接到压缩空气管上。