manhole

n. /ˈmæn.hoʊl/ C1

窨井；人孔

A covered opening in a street leading to underground sewers.

仙境例句

Two guinea-pigs lifted the lid of a manhole and climbed down to look at the pipes.

两只豚鼠掀开检修孔的盖子，爬下去查看管道。