Ethene
n. 乙烯\\n[化] 乙烯; 1,2-亚乙基
🗣️ 情景例句
do I really have to
我是不是真的有必要
What time do you get up every day?
你每天什么时间起床？
I told her what the revolutionaries were doing and I persuaded her to help me.
我告诉她革命者都在干些什么事，并说服她给我帮忙。