Pentafluoride
五氟化物
🗣️ 情景例句
Wait till you see yourself jumping around.
你等着看， 那到处乱蹦的样子吧。
What can I do for you?
我能为您做些什么？
Mathilde! I've got some wonderful news. We've been invited to the ball at the palace.
玛蒂尔德！我有一个极好的消息。我们被邀请去参加宫庭舞会。