Vinylic
[有化] 乙烯的
🗣️ 情景例句
The course I took was above me.
我上的这门课太难了。
Nightingales will not sing in a cage.
夜莺困笼不唱歌。
But there was no time to think.All her other friends were now outside the door.
但来不及去想了。其余的朋友现在也全都到门外了。