Pef
abbr. peak expiratory flow 最大呼气流量; personal effects floater (policy) 私人物品保险，私人行李保险
🏥 医学释义
最大呼吸流量
🗣️ 情景例句
I have no problem with that.
对这一点我没有异议。
The story Sam told wasn't very funny.
萨姆的故事一点意思也沒有。
Aunt Harriet could not find words to praise Bessie's industriousness and efficiency.
哈丽特不知该用什么言辞来赞扬贝西的勤奋与高效。