This boat is intended for flat water use and not for use in white water.

这条船是为单位水的使用和不使用白色的水。

youdao

Because the surface of the water table is not flat but instead rises and falls with topography, groundwater is affected by gravity in the same fashion as surface water.

由于地下水位不是平面的，而是随着地形起伏的，所以地下水和地表水一样受到重力的影响。

youdao

The water table is not flat but usually follows the contours of the topography.

地下水位是不平坦的，而是通常随地势而变化。

youdao

Then they are mixed with water. After the water has been removed, the flat,thin form remaining is permitted to dry.

VOA: special.2009.07.06

This is, you see, also on 2 at the beginning here: I went to the cold-water flat with the boys and Dean came to the door in his shorts.

你们看，这也是在第二页的开始：,我和男孩们去了冷水公寓,安穿着短裤来到门口。

耶鲁公开课 - 1945年后的美国小说课程节选

Then they rubbed the clothes on flat pieces of wood, squeezed out the water and hung each piece to dry.

VOA: special.2010.03.28

Vollmer made regular trips to Australia to train in the ocean and swim with dolphins, which made racing in the flat water of an Olympic pool feel far simpler.

WSJ: Menu

The alluring turquoise bottom, the flat glassy water begging to be interrupted.

FORBES: A Case For Being At The Pool

Eight small boats exploring stretches of the Hudson opening to canoeists in the central Adirondacks all made it through seven moderate rapids interspersed with long flat-water stretches on a 7.3-mile trip through deep forests of evergreens and hardwoods.

WSJ: OUT THERE: Upper Hudson opening to canoeists