A human is an ingenious assembly of portable plumbing.
人类，是一堆可以随意拆卸的铅管零件的巧妙装配。
A low or narrow space, such as one beneath the upper or lower story of a building, that gives workers access to plumbing or wiring equipment.
爬行空隙一幢楼最高层或最底层下面可使工人进入维修管道或电线设备的矮而窄的空间
