名词 reverse gear:

1. the gears by which the motion of a machine can be reversed

reversementn.急跃升转弯reversev.逆转；倒退；互换；改变adj.相反的；反面的；颠倒的n.相反；背面；失败；倒档Reverse dot blot hybridization反向点杂交reverse-time depth migration逆时深度偏移reverse transter of technology[经] 反向技术转移(人材外流)Reverse tailor sitting posture逆向裁缝坐姿reversed electrostatic stencil反转静电模版reverse solid phase dispersion逆固相分散reverse derivation engineering反求工程reverse circulation DTH hammer贯通式反循环潜孔锤reverse radial immunodiffusion反向辐射状免疫扩散, 反向放射免疫扩散reversed dominance of the eyes[医] 眼优势倒转

1. The car has four forward gear and one reverse gear.
   那汽车有四个前进挡和一个倒挡。
2. The car has four forward gears and one reverse gear.
   那汽车有四个前进挡和一个倒挡。