Ethinyl
[机] 乙炔基
🗣️ 情景例句
Yes, I went to the aerobics class today.
去了啦， 我上了有氧运动课了。
That's a bad idea if I've ever heard one!
你出这什么馊主意！
This continental slope usually starts at a place somewhere near the 100-fathom mark
一般是从差不多100英寻水深的地方开始的，