sand

沙；沙地；沙洲；沙滩；沙子英释nna substance consisting of very small pieces of rocks and minerals, that forms beaches and deserts

撒沙于；以沙掩盖；用砂纸等擦平或磨光某物；使撒沙似地布满；给…掺沙子英释vvto make a surface smooth by rubbing it with sandpaper or using a special piece of equipment

1 quartz sand,[化]石英砂

2 a grain of sand,一粒沙子

3 fine sand,细砂；细沙

4 sand casting,[机]沙模铸造

5 green sand,湿砂；海绿石砂

6 white sand,白沙；白色沙滩；白砂

7 sand layer,砂层，铺砂机

8 sand beach,沙滩，沙质海滩

9 sand blasting,喷沙；喷砂清理，喷砂打磨法

10 molding sand,型砂

11 sand filter,砂滤器

12 sand mold,砂型，沙模

13 sand soil,砂质土

14 dry sand,[冶金]干砂

15 sand storm,沙暴

16 river sand,河沙；河拎沙， 河谷沙

17 oil sand,油砂

18 sand dune,n. [地]沙丘

19 aeolian sand,风积沙；风成砂

20 loose sand,疏松砂岩

1 a mixture of sand and cement.沙和水泥的混合物

2 I have sand in my shoe..我的鞋里有沙子。