Rdm
abbr. random 随意的; 任意的; 不规则的; root drum 根鼓膜
🗣️ 情景例句
I'm sure glad you're here, Grandpa.
您来这里我真高兴， 爷爷。
I have nothing to do with it.
那与我无关。
Ever since, people have had difficulty in deciding whether the craft should be ranged among ships,
自那以后，人们很难决定是否应该将这种运载工具列为轮船、