n
1 (a) [U] help; support 帮助; 支持.
(b) [sing] group of supporters 一群支持者
*The new leader has a large backing. 那位新领导人有大批的支持者.
2 [U] material used to form the back of sth or to support sth 用作某物的背衬材料; 用作支撑某物的材料
*cloth, rubber, cardboard, etc backing 布、橡胶、纸板等做的背衬.
3 [U, C usu sing 通常作单数] (esp in pop music) musical accompaniment to a singer （尤指流行音乐）为歌手的伴奏
*vocal/instrumental backing 和音[伴奏]
* [attrib 作定语] a backing group 和音小组.

n
[U]
support or help, especially with money
　She flew to New York to try to raise some financial backing for the project.
[C]
material that is used to make the back of an object
[C]
the music that is played at the same time as a singer's voice
>backingadj
　backing singers