Dfi
[医][=disease-free intervals]无病间期
🗣️ 情景例句
His family is a nuclear family with three generations living together under one roof.
他的家庭是三代同堂住在同一屋檐下。
Whatever man has done man may do.
天下无难事。
I'm doing a word puzzle in this newspaper.
我在猜报纸上的字谜。