Rdm
abbr. random 随意的; 任意的; 不规则的; root drum 根鼓膜
🗣️ 情景例句
Hey, what's going on?
嗨，怎么样？
He that runs fastest gets the ring.
捷足先登。
He covered himself with a quilt.
他给自己盖上一条被。