Niobium pentafluoride
[化] 五氟化鈮
?? 詞語組成解析
n. 鈮\\n[化] 鈮Nb
五氟化物
??? 情景例句
What are you doing this weekend?
你本周末打算干什么？
How much of a volume discount are you prepared to offer?
總折扣你們準備提供多少？
How are you today?
你今天好嗎？