Columbium pentoxide
[化] 五氧化二铌
🧩 词语组成解析
n. [化]铌
n. [化]五氧化物
🗣️ 情景例句
So now I'm taking a flight on Monday instead.
所以我现在要改搭星期一的班机走。
You name the time.
你定时间吧。
There were no classes this afternoon. My classmates all went to People's Park.
今天下午没有课。同学们都到人民公园去了。