Columbium sesquioxide
[化] 三氧化二鈮
?? 詞語組成解析
n. [化]鈮
n. [化]倍半氧化物,三氧二某化合物
??? 情景例句
I see. By the way, how many people are working in your factory now?
哦，我知道了。順便問一下，現在貴廠有多少在職職工？
Who answers suddenly knows little.
答得迅速，懂得不多。
It's true that he may fall behind the other students.
真的，他可能會落在其他同學的后面。