Thiirene
[化] 硫杂丙烯环
🗣️ 情景例句
Thanks for all your hospitality.
谢谢你的感情招待。
How much is the electricity bill a month?
每个月电费要多少钱？
It took me ten minutes to persuade her to ring back later.
我用了10分钟的时间才说服她过会儿再来电话。