Tetrafluoride
n. [化]四氟化物
🗣️ 情景例句
How's everything with you?
你一切如何？
I wrote to my uncle last night.I couldn't put it off any longer.
我昨晚给我的叔叔写了信.我不能再推迟寄信了。
The workmen told him to do as he pleased and the policeman telephoned for help.
工人说，悉听尊便。警察去打电话叫人。