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
Sure. The number is... five five five...seventeen twenty.
没问题 号码是555-1720。
Strong packing will protect the goods from any possible damage during transit.
坚固的包装可以防止货物在运输途中受到任何损失。
What's your name?
你叫什么名字？