Rai
abbr. 随机存取及查询（random access and inquiry）
🗣️ 情景例句
I mean,
我的意思是，
A watched pot(pan) is long in boiling.
心急水不沸；盼得越切，来得越迟。
I don't know. I've got a headache and a cough.
我不知道。我头痛和咳嗽。