单词学习：plumbing 名词
plumbing
/ˈplʌmɪŋ/
管道系统；管道工程；铅管工行业
The plumbing in the old school building was repaired by Gu Laoshi.
顾老师修理了旧校舍的管道系统。
单词卡片
卡片已就绪
