plumbing

管路系統、水管裝置、配管

The old house needs new wiring and plumbing before we move in.

這棟老房子在我們搬進去前得換新的電線和管路系統。

水電工作、配管業

He learned plumbing from his father and now runs his own business.

他跟父親學水電，現在自己開業。

探究、深入探索plumb 的現在分詞

The documentary keeps plumbing the depths of human cruelty.

這部紀錄片不斷深入探究人性殘酷的一面。