Rai
abbr. 随机存取及查询（random access and inquiry）
🗣️ 情景例句
Are they open?
店开着吗？
I can't do two things at the same time.
我只有一双手。
Soon the errors will have multiplied to the ten-foot scale,
很快这种偏差会增加到10 英尺的范围，