Tdf
[医][=t-cell derived factor]t细胞衍生因子
🗣️ 情景例句
A man next to me was smoking,and smoke really bothers me.
我旁边的那个人抽烟，我受不了。
The plumber has made a mistake.
配管工犯了一个错误。
That's OK.
别客气。