uphill or downhill meaning in Chinese

自下而上或自上而下

Keep a straight posture , even when walking uphill or downhill
正确姿势即使要走上或走下斜坡，也要尽量挺直身子。
Parking with automatic transmission - whether facing uphill or downhill , make sure the handbrake is on firmly before using the selector setting p park . this avoids risk with some vehicles of a jammed transmission
自动波车辆泊车须知无论是在斜路上行或下行处泊车，在未把波棍调至泊车前，应先确定已拉紧手掣。
Where the road went uphill or downhill the crush became greater , and there was an uninterrupted roar of shouts . the soldiers floundering knee - deep in the mud clutched the guns and clung to the waggons in the midst of cracking whips , slipping hoofs , breaking traces and throat - splitting yells
士兵们陷入膝深的泥泞中，双手抬着炮身，扶着带篷大车马鞭不停地抽挞，马蹄滑动着套索眼看就要破裂，他们拼命地吼叫，叫痛了胸口。