canoe-shaped ridge 舟状向斜脊
box-shaped ridge 箱形脊
V-shaped notal ridge V形背脊
feather-shaped sand ridge 羽毛状沙垄
This crescent-shaped ridge of sand dune in Oman was formed by strong trade winds that form a smooth hill facing the wind (left) and concave slipface on the back.
阿曼一座新月形的沙丘脊由强信风吹成,在迎风的方向(图左侧)形成一面平缓的凸破,在背风面形成凹坡。
Straddling the ridge of a mountain range shaped like a dragon’s back is, appropriately enough, Dragon’s Back Trail.
横跨山脉的形状像龙的背,真的像一条龙在那里。
If the tongue naturally maintains a position resting against the ridge or existing denture, then a correctly extended and shaped denture will be easier for that patient to use.
如果舌体自然的保持在一个位置——停靠在牙槽嵴侧面或旧义齿上,那么一个正确伸展和外形的义齿,将更易于此患者去应用。
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