1.
An instrument, especially a double bass, that produces tones in a low register.
低音乐器特别是低音提琴，产生出音域低的音调
2.
A brass wind instrument with a range similar to that of a baritone voice.
上低音乐器指音域类似男中音的铜管乐器
3.
pitched an octave below normal bass instrumental or vocal range.
声调比一般低音乐器或者低音域低一个八度。
4.
New Improvements on the Reform of Bass Musical Instruments in National Orchestra;
民族管弦乐队低音乐器改革的新进展
5.
Pitched an octave below the normal bass range.
倍低音的比正常的低音乐器或嗓音在音域上低一个八度的
6.
lowest part in music(for voice or instruments)
（声乐或器乐的）低音部
7.
the lowest brass wind instrument.
低音的黄铜制管乐器。
8.
having or denoting a low vocal or instrumental range.
具有或者代表低音或者乐器的低音域。
9.
double the tenor in brass
使铜管乐器的次中音乐器高(或低)八度
10.
The lowest part in vocal or instrumental part music.
低音部分音调或乐器的部分音阶中最低的部分
11.
The tones in the lowest register of an instrument.
乐器中最低音域部分的音调
12.
The largest and lowest pitched of the double - reed wind instruments, sounding an octave below the bassoon.
倍低音管双簧管系管乐器中音高最低的也是最大的乐器，比低音管的音高低一个八度
13.
(of a musical instrument) intermediate between alto and baritone or bass.
（指乐器）介于次高音和中音（或者低音）之间。
14.
(music) a part or voice or instrument or orchestra section lower in pitch than or subordinate to the first.
（音乐）音调比高音部低或者从属于高音部的声部、声音、乐器或者管弦乐器组。
15.
A large, valved, brass wind instrument with a bass pitch.
大号大型带活塞的低音铜管乐器
16.
the member with the lowest range of a family of musical instruments.
乐器家族的低音范围的成员。
17.
The largest and lowest pitch bowed string instrument, was directly developed from the "double-bass viol".
低音大提琴是弦乐器中最巨大及最低音的乐器，直接由倍低音「维奥尔」演变而成。
18.
The largest and lowest pitched of the double-reed wind instruments, sounding an octave below the bassoon. Also called: contrabasson.
双簧管系管乐器中音高最低的也是最大的乐器，比低音管的音高低一个八度。