Columbium pentachloride
[建] 五氯化铌
🧩 词语组成解析
n. [化]铌
五氯化物
🗣️ 情景例句
I'm experienced in IBM-PC and Great Wall computers.
我熟悉IBM-PC和长城电脑。
The first step is the only difficulty.
万事起头难。
Do what he or she tells you to do.
听从老师的教导。