Heteronucleus
杂环核
🗣️ 情景例句
What's for dessert?
有什么甜点呢？
I'm sick and tired of having to take care of your brother just because he refuses to go out and find a job.
只是因为你弟弟不肯出去找工作就得我来照顾他，这真让我烦透了。
No littering on the campus.
在校园内不准乱丢废物。