Ethynes
[化] 炔烃
🗣️ 情景例句
Breathing this air is killing me.
呼吸这样的空气真是致命。
Knowledge advances by steps not by leaps.
知识的获得是循序渐进而不是突飞猛进的。
You'll save time not waiting for the elevator.
你可以节省等电梯的时间。