Rr
abbr. 无线电航向信标（Radio Range-beacon）；雷达测距（Radar Ranging）；无线电接受器（Radio Receptor）；连流继电器（Reverse Relay）；阻力比（Resistance Ratio）
🗣️ 情景例句
You work hard on all your committees,
而你总是在各种委员会里忙，
He had to resign, to save face.
为了保全面子，他不得不辞职。
My name is Han Meimei. What's your name?
我叫韩梅梅，您呢？