Columbium sesquioxide
[化] 三氧化二铌
🧩 词语组成解析
n. [化]铌
n. [化]倍半氧化物,三氧二某化合物
🗣️ 情景例句
I have perfect vision.
我的视力非常好。
I'm practising tai chi chuan in the park.
我在公园打太极拳。
All the biscuits that were sent were carefully weighed.
凡送来的饼干都仔细地称量。