double bass

US /ˌdʌb.əl ˈbeɪs/
UK /ˌdʌb.əl ˈbeɪs/
"double bass" picture
1.

低音提琴

the largest and lowest-pitched bowed string instrument in the modern symphony orchestra, with four or five strings and a range of about three and a half octaves

:
She plays the double bass in the school orchestra.
她在學校管弦樂隊中演奏低音提琴
The deep resonance of the double bass filled the concert hall.
低音提琴深沉的共鳴充滿了音樂廳。