新月形的
4.a crescent-shaped lake (often temporary) that is formed when a meander of a river is cut off from the main channel.
7.Retrograde Evolution of Barchan on Interdune Corridor of Complex Ridges in Central Taklimakan Desert
8.The average length of the alar of cresentic dune,with sand dune height of 3~19m,is 37.5 m,and space between alars is 30~66m.
9.A small stone artifact, probably an arrowhead, with a blunt straight edge and a sharpened, crescent-shaped back, especially characteristic of the Mesolithic Age.

