Dfi
[医][=disease-free intervals]无病间期
🗣️ 情景例句
Television is the most powerful tool of persuasion that man has ever created.
电视是人类所创造的最有威力的游说工具。
As this is a special offer, we hope you won't miss this opportunity.
因这是特殊报价，希望您不要错失良机。
A barking dog doesn't bite!
吠犬不咬人。