Trifluoride
三氟化物
🗣️ 情景例句
Don't interfere in matters that do not concern you!
别管闲事！
I picked up my papers.
我捡起了我的文件。
Lake Baikal is the deepest of all the lakes in the world.
贝加儿湖是世界上最深的湖泊。