n.(检查地下管道用的)人孔，检查井

原形：manhole复数：manholes

The worker lifted the manhole cover to access the sewer below.
工人抬起井盖以便进入下面的下水道。
Be careful not to step on the manhole; it might be loose.
小心不要踩到那个井盖，它可能没盖紧。
The city maintenance crew was replacing the old manhole covers with new ones.
城市维护团队正在用新的井盖替换旧的井盖。
A strong odor emanated from the manhole, indicating a possible gas leak.
从井盖里散发出一股强烈的气味，表明可能存在燃气泄漏。
The plumber descended into the manhole to inspect the damaged pipes.
水管工下到井里去检查损坏的管道。
It's important to mark the manholes clearly for public safety.
为了公共安全，清楚地标记井盖非常重要。
The manhole cover serves as a protective barrier between the underground utilities and the surface.
井盖充当了地下设施与地表之间的保护屏障。
After the heavy rain, the streets were flooded due to blocked manholes.
大雨过后，由于井盖堵塞，街道被淹了。
The utility company used a special lifting tool to remove the heavy manhole cover.
公用事业公司使用了一种特殊的提升工具来移除沉重的井盖。
Children were warned to stay away from open manholes to avoid accidents.
警告孩子们远离打开的井盖，以防发生意外。