Ethinylation
乙炔化
🗣️ 情景例句
I really feel bad about it,
我真过意不去。
I have a good-paying job with excellent hours.
我有一个有极好工作时间和好报酬的工作。
In some moods, Nature shares it.
在某种状态下，大自然也有这种魅力。