She explored the sand with her toes.
她用脚趾感觉沙的情况。
Miles of sand are exposed at low tide.
在低潮时数英里的沙滩就会显现出来。
She wiggled her toes against the packed sand.
她用脚趾拨弄着板结的沙子。
Sand was deposited which hardened into sandstone.
沙经沉积固结形成沙岩。
I was going to sand down the chairs and repaint them.
我打算用砂纸打磨这些椅子然后重新刷漆。
He felt tiny pieces of grit and sand peppering his knees.
他感到细小的沙砾正打在他的膝盖上。
She thought of the tide rushing in, covering the wet sand.
她想到潮水涨上来，淹没了潮湿的沙滩。
The approved method of cleaning is industrial sand-blasting.
得到正式认可的清洁方法是工业喷砂处理。
They all walked barefoot across the damp sand to the water's edge.
他们都光着脚走过潮湿的沙地来到了水边。
We walked to the furthermost point and then sat on the sand dunes.
我们走到了最远点，然后坐在沙丘上。
Loam is a soil with roughly equal proportions of clay, sand and silt.
壤土是由大约等份的黏土、沙和粉砂合成的。
She scooped up a handful of sand and let it trickle through her fingers.
她抓了一把沙子，然后让它们从指缝间慢慢漏掉。
The sea may rise or the land may fall; either way the sand dunes will be gone in a short time.
海平面可能会升高，或者陆地可能会下降；不论发生哪种情况，沙丘都将很快消失。
Wendy, look at the turtles burying their eggs in the sand.
温迪，你看那些把蛋埋在沙子里的乌龟。
Joe sat poking up the sand with a stick and looking very gloomy.
乔坐在那儿用棍子捅沙子，一副愁眉苦脸的样子。
The sand acts like a sponge and filters the water and slows evaporation.
沙子像海绵一样过滤水，并减缓蒸发的进程。
It carries fine particles of sand, which bombard exposed rock surfaces, thereby wearing them into yet more sand.
它携带着细小的沙粒，这些沙粒会轰击裸露的岩石表面，从而把岩石磨成更多的沙子。
Well-known Indian sand artist Sudarshan Patnaik has been invited to take part in the World Championships of Sand Sculpture to be held in Vancouver.
知名的印度沙雕艺术家苏达山帕奈克应邀参加在温哥华举行的世界沙雕锦标赛。
Diatoms of this species, sometimes called "commuter" diatoms, remain burrowed in the sand during high tide, and emerge on the sand surface during the daytime low tide.
这种硅藻，有时被称为“通勤硅藻”，在涨潮时留在沙土中，在白天退潮时出现在沙土表面。
The bricks were bedded in sand to improve drainage.
沙里埋入砖块，以改进排水系统。
These help camels walk on sand.
这些能帮助骆驼在沙地上行走。
By mid-morning, four kids were sculpting (雕塑) the sand alongside him.
到早晨过了一半的时候，四个孩子在他身边堆起了沙子。
骆驼也可以在沙地上奔跑。
Some games still use sand glasses.
有些游戏仍然使用沙漏。
The island is completely made of sand.
这个岛完全是由沙子构成的。
It moves sand around from place to place.
它把沙子从一个地方移到另一个地方。
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