河床

The brook warbled over its rocky bed.

小溪潺潺流过多石的河。

The river slows on the flat bottom.

河水在平坦的河慢了流速。

A river rolls the stones along its bed.

河水把河里的石头冲得翻滚而下。

We shall have to dig under the river to lay the sewage pipe.

"为了铺设污水管道,我们必须在河下面开一条通道。"

In the stream with strong bed load movement there is no benthic macroinvertebrate.

河势散乱且河运动剧的支流物种丰度和密度均很低甚至为零，生态条件差。

The puzzle will spread across a dry creek bed that divides the cities of Torreon, Coahuila and Gomez Palacios in Durango state.

这个大拼图将会铺在杜兰戈州科托雷翁、卡韦拉、戈麦·帕拉西奥界的一个干枯的河。

The Coal Measures Strata are divided into 1 super-sequence and 3 sequences on the basis of paleostructure surface,widespread overlap unconformability,coal seam,and channel lag deposit.

根据古构造运动面、大面积超覆界面、煤层和河滞留沉积将含煤岩系划分为1个超层序和3个层序。