Dfi
[医][=disease-free intervals]无病间期
🗣️ 情景例句
I love keeping animals for companionship.
我喜欢养动物为伴。
This round table weighs about forty-five pounds.
这张圆桌子重大约45磅。
It was called Saving the earth and it was all about the damage that is being caused to the world.
会议叫“拯救地球”，所以全是有关地球遭受破坏的事情。