sand
[sænd]
n.沙, 沙子, 沙滩, 黄灰色
vt.撒沙, 打磨, 以沙掩盖
n.勇气,毅力
例句与用法：
Dry sand absorbs water.
干沙吸收水份。
Gently sand the plastic to provide a key for the paint.
用砂纸在塑料上轻轻打磨出粗糙面以便涂颜料。
The children on the sand were shouting with excitement.
沙滩上的孩子们兴奋得大喊大叫。
The roads were sanded after the snowstorm.
道路在暴风雪之后铺上了沙子。
His company was built on the sand.
他的公司根基不稳固。
词形变化：
动词过去式: sanded | 动词过去分词: sanded | 动词现在分词: sanding | 动词第三人称单数: sands |
详细释义：
n.
1. 沙[U]
Sand is insoluble in water.
沙在水中是不溶解的。
2. 沙地; 沙滩; 沙洲[P]
3. (沙漏中等的)沙粒[P]
4. 时刻; 寿命[P]
5. 【口】勇气; 坚毅; 胆量[U]
The young man has plenty of sand in him.
这个年轻人有足够的勇气。
6. 沙土色, 浅棕色[U]
vt.
1. 撒沙于; 撒沙似地布满
2. 用沙(或砂纸等)擦; 磨光[(+down)]
The floor should be sanded before you paint it.
漆地板前应用砂磨。
vi.
沙淤, 以沙堵塞[(+up)]
短语词组：
build on sand
1. 建立在不牢靠基础上的
He has very little experience of business, and the whole organization was built on sand.
他没有什么经商的经验, 整个机构可以说是建立在不牢靠的基础上。
plough the sand(s)
1. 白费力气
He was really just ploughing the sand.
他不过是在白费力气。
The sands are running out.
1. 剩下的时间不多了。