Tefzel
乙烯-四氟乙烯共聚物
🗣️ 情景例句
We split up last week.
他们上星期分手了。
It's a deal!
一言为定！
If you want to send a letter to an office abroad that is in a different time zone, you can send a fax, and it will be received even though the office is not open.
如果你要寄信到不同时区的国外办公室，你可以发个传真，即使办公室不开门，信也会被收到。