Monocarbide
一碳化物
🗣️ 情景例句
Notices are displayed on the bus asking people not to smoke.
公共汽车上张贴着请勿吸烟的公告。
You'll get hurt, if you don't watch out.
你不注意的话，就会受伤。
what a lovely little girl she is!
她是一个多么可爱的小女孩耶！