With wide river surface, here is also a very good anchorage.
此处江面宽阔，又是非常好的锚地。
Objective To investigate the mutagenicity of Q river surface water.
目的为了调查Q流域地面水致突变性。
Again there was a streak of bubbles on the surface of the river.
河面上又出现了一连串的水泡。
If you swim in a river or lake, be sure to investigate what is below the water surface.
如果你在河里或者湖里游泳，一定要弄清楚水面下有什么。
Weihe river is the biggest river and principal surface water source in Guanzhong Basin.
渭河是关中地区最大的河流，是该地区主要的地表水水源。
Obviously armoring layer existed in the surface of the river bed.
河床表面具有明显的粗化层。
River Banks often also have clay about 1 meter or less under the surface.
河岸边经常也有粘土，大约在离地表1米或更少的地方。
The main watercourse of Yangtze was made of some surface river sectors and underground rivers.
地表河与地下河相连接构成长江主河道。
The river is polluted seriously and you can see rubbish drifting on the surface.
这条河污染很严重，你可以看到垃圾漂在水面上。
The river is polluted seriously and you can see rubbish drifting on the surface.
这条河污染很严重，你可以看到垃圾漂在水面上。
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