Rach
abbr. 随机接入信道（Random Access Channel）
🗣️ 情景例句
That's all right.
没关系。
Didn't you order this?
你不是订下这道菜了吗？
Oh, very well. Then there is nothing to worry about. I apologize. (Hands him the note.)
哦，那太好了，没什么可犯愁的了。我向你道歉。（把钞票递给他）