水面

All at once there began to go a sort of bustle among the bulrushes; a wild duck flew up with a quack, another followed, and soon over the whole surface of the marsh a great cloud of birds hung screaming and circling in the air.

忽然，芦苇丛中开始响起了一阵沙沙声，一只野鸭&嘎嘎&叫着飞了起来，紧接着又是一只，一转眼沼泽的水面上就出现了一大群野鸭，尖叫着在空中盘旋。

Colorful clouds and calm water create a striking sunset scene for canoeists on Winisk River in Ontario, Canada.

华美的云彩和平静的水面，创造一个美丽的日落景色给予划独木舟的人在Winisk河在加拿大的多伦多。

Photo Gallery: Clouds Colorful clouds and calm water create a striking sunset scene for canoeists on Winisk River in Ontario, Canada.

华美的云彩和平静的水面，创造一个美丽的日落景色给予划独木舟的人在Winisk河在加拿大的多伦多。

But one river was full of carbonised naked bodies of men,women, children, floating face-down "like blocks of wood", and onthese—part treading, part paddling—he got to the other side.

但是却有一条河里满是碳化的裸露尸体，男人、女人、小孩，脸朝下浮在水面之上，好像&一块块木头&。借着这些&木块&——半是踏，半是划——他过到了另一边。

But one river was full of carbonised naked bodies of men, women, children, floating face-down "like blocks of wood", and on these—part treading, part paddling—he got to the other side.

但是却有一条河里满是碳化的裸露尸体，男人、女人、小孩，脸朝下浮在水面之上，好像&一块块木头&。借着这些&木块&——半是踏，半是划——他过到了另一边。

Tourists watch catamarans moored outside a restaurant in Jamaica s Montego Bay .

在牙买加蒙特哥湾的一个饭店外面，很多游客们观看停在水面上的双体船。

The trend of high efficient use of harvested water is to combine the water harvesting with installation agriculture, and the high level artificial catchments can be used.

集流水的高效利用方向是将雨水集流和设施农业结合起来，并考虑采用固定集水面。

Enclosed by hills on three sides, the lake lies to he west of the city with a layout that is quite charming: It has two causeways, three man-made islets and natural island that dotted the 5.6sqkm water surface, and the concording outlines of the hills around, are silhouetted against a harmonious sky.

由山三面封闭的湖泊在于他的城市（因此与布局，这是很迷人的姓名）：它有两个堤道，三个人造岛屿和自然岛屿星罗棋布5.6sqkm以西水面，和concording概述了周围的山，是对一个和谐的天空映衬。

Across the country, millions of tons of raw sewage, industrial waste and fertilizer runoff have turned lakes into algae-covered cesspools.

在全国许多地方，大量未经处理的污水、工业废水以及含有化肥残留的农田用水把众多湖泊变成了污水池，大片水面被藻类所覆盖。

All this comes as China grapples with a mounting water shortage. Across the country, millions of tons of raw sewage, industrial waste and fertilizer runoff have turned lakes into algae-covered cesspools. According to official statistics, more than half of China''s major waterways are so polluted that fish are dying or water is unsafe for drinking or irrigation. More than 300 million people -- almost one-quarter of the population -- lack access to clean drinking water, the government says.

所有这些问题都是在中国水资源日益短缺的大背景下出现的在全国许多地方，大量未经处理的污水、工业废水以及含有化肥残留的农田用水把众多湖泊变成了污水池，大片水面被藻类所覆盖从官方的统计数字看，中国一半以上主要河流的污染程度已经严重到了鱼虾绝迹或河水已无法供饮用和灌溉之用的程度

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。