Columbium pentachloride
[建] 五氯化铌
🧩 词语组成解析
n. [化]铌
五氯化物
🗣️ 情景例句
He sees her often but doesn't want to get too involved.
他常与她来往，但不愿用情太深。
The target shooting requires the power of concentration.
射击需要集中精神。
Is she coming later?
她晚些时候会来吗？