Pipework
管道工程管（组）
🗣️ 情景例句
Can I use your car for a couple of hours?
我们能借你的车用几个小时吗？
The diamonds of other countries are always the most beautiful.
别国的钻石是最美丽的。
Cave exploration, or pot-holing, as it has come to be known, is a relatively new sport.
洞穴勘查——或洞穴勘探——是一项比较新的体育活动。