The formation of sand waves is controlled mainly by underset of tidal current, and also related to tectonic uplift.

沙波形成主要受潮流底流的水动力作用控制，并与构造抬升有关。

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The sand waves move to some extent, with the main direction from SE to NW, yet this trend is gradually becoming weak.

沙波具有一定的活动性，主要由SE向NW方向移动，且活动性逐渐减弱。

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When passing One Fathom Bank, check the depth and variable sand waves below the sea level all the time by echo sounder.

通过一托浅滩时，要一直测深校时水深及海面下多变的沙纹。

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But you must be careful. It is easy to get lost in the waves of moving sand especially during sandstorms.

VOA: special.2010.01.04

The bright white sand dunes are always changing,always moving, like waves on the ocean.

VOA: special.2010.01.04

We have a ton of fun in the spring when the weather is warm and sunny watching our dogs run in the sand and waves chasing birds.

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Wipe out the idea of a beach getaway spent just gazing at waves from the sand.

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It was created to enhance waves using 55 giant sand-filled bags, which are 740ft (225m) out at sea.

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