center of water drag 水阻力中心
shallow water drag hump 浅水阻力峰
water drag 水的阻力 ; 水拖曳
rough water drag 波动水面阻力
water-drag device 水力增阻器
Water Drag Products 水上拖拉产品
dead water drag effect 增加阻力效应
Experienced swimmers know it is relatively easy to escape the narrow channel of the fast moving water by floating and allowing it to drag you further into the ocean or by swimming alongside the shore.
有经验的游泳者都知道,要想从湍急的水流中逃离狭窄的水道相对来说比较容易,方法是让水漂浮起来,让它把你进一步拖入大海,或者沿着海岸游泳。
Risking his life, Joe jumped back into the cold water and managed to drag (拽) his dad up onto some rocks.
乔冒着生命危险跳回寒冷的水中,成功把他爸爸拖到一些岩石上。
The others discussed draining the water first, and then they could drag it out of the drain.
其他人讨论着要先把水放干,然后把它从排水沟里拖出来。
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