The flat-water courses area will mainly undertake the competition mission of dragon boat.

静水运动项目区主要承办龙舟等项目的比赛任务。

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

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

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

The flat-bottom boat balanced precariously just barely above water level, a skilled rower standing and pushing gondola-style from the back.

BBC: Safari by water in southern Africa

The flat, black-looking skin of the whale peaked above the water for just a few seconds before submerging again.

BBC: A wild world off California's coast