man-hole

英['mænh'əʊl] 美['mænh'əʊl]
  • [医]检查井;[进]入孔
  • man n.男人;人;男子汉;情人;强者;下属v.使...振奋;为...配备人手
  • trolly n.手推车vt.用手推车载运
名词 manhole:
  1. a hole (usually with a flush cover) through which a person can gain access to an underground structure

    1. Its removal draws soil air into the hole.
      其拔起的动作会把土壤气体抽入孔中。