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
What I eat won't stay down.
我吃东西时感到恶心。
A good name is better than riches.
好名誉胜过有财富。
Yes. But it's such an important match, we can't miss it.
是的。但是这是场很重要的比赛，我可不想错过。