Mmwr
abbr. Morbidity and Mortality Weekly Report <发病与死亡周报>（杂志名）
🗣️ 情景例句
The price includes mailing costs.
这价格包括邮寄费用。
A man becomes learned by asking questions.
要长学问，就得多问；多问则业精。
Someone is ringing the bell.
有人在按门铃。