tubing
🇺🇸
/ˈtuːbɪŋ/
🇬🇧
/ˈtjuːbɪŋ/
A long, hollow cylinder made of metal, plastic, or other materials used to transport liquids or gases.
The plumber needed to replace the old copper tubing in the house.
水管工需要更换房子里的旧铜管。