| [/sænd; sænd/] n 用法:
1 [U] (mass of) very fine fragments of rock that has been worn down, found on beaches, in river-beds, deserts, etc 沙; 沙粒:
mix sand and cement to make concrete 把沙子和水泥混合制成混凝土. 用法:
2 [U, C usu pl 作不可数名词或可数名词, 後者通常作复数] area of sand, eg on a beach 沙地（如沙滩）:
children playing on the sand(s) 在沙滩上玩耍的儿童. 用法:
3 sands [pl] (used in names 用於地名) sandbank 沙坝; 沙滩; 沙洲:
the Goodwin Sands 古德温沙洲. 用法:
4 (idm 习语) bury/hide one's head in the sand => head. the sands are running `out there is not much time left 剩下的时间不多了:
The sands are running out:
we must have the money by tomorrow. 剩下的时间不多了:
我们明天得弄到这笔钱. sand 2
v 用法:
1 [Tn, Tn.p, Cn.a] ~ sth (down) smooth or polish sth with sandpaper, etc 用砂纸等擦平或磨光某物:
The bare wood must be sanded down. 这个没有皮的木料得用砂纸磨光. *
The floor has been sanded smooth. 地板已用砂纸磨光. 用法:
2 [Tn] sprinkle sand on (sth) or cover (sth) with sand 在（某物）上撒沙; 用沙覆盖（某物）. sander (also `sanding-machine) n machine for sanding surfaces, eg by means of a rotating pad with sandpaper attached 砂轮打磨机. sandy adj (-ier, -iest) 用法:
1 like sand; covered with sand 沙状的; 覆盖著沙的:
a surface with a sandy texture 有沙粒样的表面 *
The floor of the beach-hut was sandy. 那海滨小屋的地面上净是沙子. 用法:
2 (of hair, etc) yellowish-red （指毛发等）沙色的. |