Dfi
[医][=disease-free intervals]无病间期
🗣️ 情景例句
Well ...
嗯……
I wonder if it's a real diamond.
它可是地道的钻石呀。
After the funeral, Joe and Bob revealed a secret which they had kept for over fifty years.
葬礼之后，乔和鲍勃透露了他们保守了长达50多年的秘密。