Polyfluocarbon
[化] 多氟烃
🗣️ 情景例句
Yes. But could you wait one minute?
是的。不过， 你能等一下吗？
To build with blocks
搭积木
Hasn't Mary told you?She invited Charlotte and me to dinner this evening.
玛丽没有告诉你吗？她邀请我和夏洛特今晚去吃饭。