a long, narrow raised part of a surface, especially a high edge along a mountain

We walked along the narrow mountain ridge. 我们沿着狭窄的山脊行进。

figurative A ridge (= a narrow area) of high pressure will bring good weather this afternoon. 今天下午高压脊将会带来好天气。

the part of a roof where the sloping sides join at the top

have been around the ridgesidiom Australian English 有丰富的经验