tuba /ˈtuːbə/ Brit /ˈtjuːbə/ noun plural tubas
/ˈtuːbə/ Brit /ˈtjuːbə/
noun
plural tubas
Learner's definition of TUBA
[count]
: a large brass musical instrument that is played by blowing air into it and that produces low tones大号(低音铜管乐器) — see picture at brass instrument