Pentafluoride
五氟化物
🗣️ 情景例句
Tomorrow.
明天。
She felt very awkward about the unpleasant situation.
她因不愉快的场面而感到十分困窘。
The long hours in the office or the factory bring with them as their reward,
在办公室或工厂里长时间的工作给他们带来了酬劳，