Rach
abbr. 随机接入信道（Random Access Channel）
🗣️ 情景例句
and a good night's sleep.
睡一个好觉。
Tom and John are in conflict over this.
汤姆和约翰之间存在着矛盾。
Well done, everyone, and congratulations to the winners.
你们个个表现出色，我谨向获胜者表示祝贺。