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
They are constantly quarreling.
他们时常吵架。
People do not lack strength; they lack will.
人们不缺力量，缺的是决心。
No! I think February is worse than January.
不！我认为2月比1月更糟。