Ethinyl
[机] 乙炔基
🗣️ 情景例句
Why advanced?
为什么是高级的？
I'm cooking.
我在做饭。
he said. But I don't have many friends, and I don't enjoy myself very much. I don't know why!
他说，“但是我没有很多朋友，我过得不很愉快。我不懂为什么！”