Dustmen
n. 清洁工( dustman的名词复数 )
🗣️ 情景例句
I designed it myself.
这是我自己设计的。
To hover
盘旋
for the monotonous rhythm of the wheels clicking on the rails soon lulls you to sleep.
车轮与铁轨间单调的嘎喳声很快就会送你进入梦乡。