Columbium monoxide
[化] 一氧化铌
🧩 词语组成解析
n. [化]铌
monoxide
[mə'nɔksaid]
n. 一氧化物;
🗣️ 情景例句
if you're not going to be happy about it.
假如你会因为这种事而不快乐的话。
Why are you sitting over there?
你为什么坐在那里？
suggested an idea on which he had been working for many years to the British Government and industrial circles.
他向英国政府和工业界提出了他研究多年的一项计划。