Prosimulium
原蚋属; 原蚋属
🗣️ 情景例句
How many stamps do I need?
我需要多少邮票？
It is a wise father that knows his own child.
父贤知其子。
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。