Thrombon
成血小板物质
🗣️ 情景例句
English.
英语。
I asked him a lot of questions.
我问他很多问题。
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。