Mpaa
abbr. 美国电影协会（Motion Picture Association of America）
🗣️ 情景例句
No, thank you.
不， 谢谢 。
You can receive our program at short wave 37.5 MH.
你可在短波37.5赫兹上收到我们的节目。
After he was defeated by a boxer called Gentleman Jackson, he was quickly forgotten.
他在被一个叫杰克逊绅士的拳击手击败后很快被遗忘。