tubing /ˈtuːbɪŋ/ Brit /ˈtjuːbɪŋ/ noun /ˈtuːbɪŋ/ Brit /ˈtjuːbɪŋ/
noun
Learner's definition of TUBING
[noncount]
1
: material in the form of a tube : a series or system of tubes管材;管子;管道系统 2
: the activity of riding on an inner tube over snow, down a river, etc.内胎滑雪;内胎漂流