Pipework
管道工程管（组）
🗣️ 情景例句
As poor as a church mouse.
一文不名。
I couldn't get through.
电话打不通。
The same policeman was just walking slowly past the entrance, when Patrick asked the same question.
昨天的那位警察正从门口慢慢走过，帕特里克上前问了和昨天同样的问题。