Noun:

1. a broad band that passes over the back of a horse and supports the shafts of a vehicle

Backebo巴克博backn.后面；背脊；靠背；后背；后卫vt.支持；后退adv.向后地adj.向后的；后面的；偏远的；过时的；积欠的backfilling gang回填组back-up system后备系统back-transport返运送backplane wiring[计] 底板接线backwash effects逆流效应backcross hybrid回交杂种back-vent pipe背通气管backout routines[计] 回退程序backing pressure托持压力,背压,前级压强backend computer后端计算机