Mmb
abbr. 甲汞化溴（Methylmercuric Bromide）；微型消息总线（Micro Message Bus）；百万桶（Million Barrels Per Day）；女满别机场（Memanbetsu）
🗣️ 情景例句
Spring has sprung and all the flowers are blooming.
春天来了。花儿都开了。
She is in good shape.
她的身体状况良好。
Good morning, class! Who is on duty today?
同学们，早上好！今天谁值日？