Dirtman
n. =groundman
??? 情景例句
I have your bill right here.
您的賬單在這里。
When the weather is hot, we turn on the air conditioner.
天熱的時候就開空調。
As a reasonable guess, they might, on an average, be 100 light years away.
據合理推算，外星人離我們平均距離也有100光年之遠