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1·The river bottom shelves here.

河底从这里呈缓坡倾斜。

2·When he was forced to turn sharply to avoid a floating tree branch, the elephant dropped the hat and it fell to the river bottom.

当大象被迫急转弯以避开一根漂浮的树枝时，帽子掉了下来，掉到了河底。

3·Clear water in this river bottom.

这条河里的水清澈见底。

4·His movements stirred up the mud and sand blinding him as he swam along the river bottom.

他的动作搅起了泥沙，使他沿着河床向前游动时睁不开眼睛。

5·With the new contactor, the problems of conventional, block bearing river bottom contactor were resolved completely.

它从根本上解决了托块式河底接触存在的问题。

6·If it occurs in this river valley but not downstream, then the water is being held back in some way by a heaving river bottom.

如果洪水发生在河谷但不是下游，那么水在某种程度上是被起伏的河底阻挡住而涌回来。

7·As they picked their way across the red furrows and down the hill to the river bottom in the deepening dusk brent yelled to his brother: look stu!

他们在越来越浓的暮色中横过那些红土垅沟，跑下山麓向河床走去。这时布伦特向他兄弟喊道：“我说，斯图！”

8·Such flow often causes very strong erosion on the river bottom during flood rising, since its behavior is different from ordinary silt carrying flow.

在这样的河流上，管道设计埋深是保障穿越工程安全的重要参数之一，它与河流的冲刷深度有关。

9·Before, where the river bottom, sparkling under the sun, surrounded by trees and lush, flowers are very beautiful flowers, colorful, still occasionally butterfly fly to collect nectar!

以前，那里的河水清澈见底，在阳光的照耀下波光粼粼，四周绿树成荫，绿草如茵，花儿姹紫嫣红，艳丽无比，还时不时有蝴蝶飞来采花蜜呢！

10·To die of hanging at the bottom of a river! — the idea seemed to him ludicrous.

在河底被绞刑处死！这个想法对他来说，似乎有点荒唐可笑。