Alkene
[ ['ælki:n] ]
高中 Senior High
n. [化]烯烃,链烯
🗣️ 情景例句
I'm a student of the world; in other words I flunked out of high school.
我是社会学生，换句话说，我高中后就辍学了。
There is no time like the present.
机不可失，时不再来。
It's his problem, not yours. Try not to worry.
这是他的问题，而不是你的。尽量不去操心。