Dfi
[医][=disease-free intervals]无病间期
🗣️ 情景例句
Particularly in the construction field.
特别是在建筑业。
Friends are thieves of time.
交朋友，费时间。
The kiwi, which is New Zealand's national bird, is one of these types of flightless birds.
几维，新西兰的国鸟，就是这些不能飞行的鸟类当中的一种。