a long narrow hilltop, mountain range, or watershed 山脊,山脉,岭;分水岭 the North-East ridge of Everest. 珠穆朗玛峰东北向山脊。 ■the line or edge formed where the two sloping sides of a roof meet at the top 屋脊 ■(Meteorology)an elongated region of high barometric pressure (气象)高压脊 ■a narrow raised band running along or across a surface 脊状突起带,隆起部 buff your nails in order to smooth ridges. 打磨指甲,让隆起部分平滑。 ■a raised strip of arable land, especially (in medieval open fields) one of a set separated by furrows 垄,埂
verb
[withobj.][often as adj. ridged]mark with or form into narrow raised bands 使成脊突 the ridged sand of the beach. 海滩上的沙脊。 ■[no obj.](of a surface) form into or rise up as a narrow raised band (表面)成脊状,起皱 the crust of the earth ridged. 地壳起皱成脊。 ■form (arable land) into raised strips separated by furrows 翻(耕地)作垄 a field ploughed in narrow stitches that are ridged up slightly. 被翻成有微微隆起窄垄的耕地。
派生 ridgy adjective 语源
Old English hrycg 'spine, crest', of Germanic origin; related to Dutch rug and German Rücken 'back'