Translation of "rounds" into Chinese

Manholes are round because that way they won't accidentally fall through the hole.

人孔是圓的,因為這樣人孔蓋就不會意外地掉進洞裡。

to make supervision and inspection rounds to see whether any act is committed against this Law

( 六 ) 对 违反 本法 的 行为 进行 巡回 监督 检查 ;