Pentafluoride
五氟化物
🗣️ 情景例句
I think I've got them.
我想我已经拍齐了。
Speaking without thinking is shooting without taking aim.
讲话不思考犹如射击不对准目标。
But, if this world is not merely a bad joke,
如果这个世界不只是一个拙劣的恶作剧，