他设法抓住了岩面下方40英尺处的岩脊。
He managed to cling on to a ledge 40 feet down the rock face.
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。
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.
中医整脊手法可以解决椎间关节的微小移位，恢复关节面间的正常对合。
The Spine-Massage Method can resolve the tiny shifts of joints and recover the normal function of joints.
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