江豚；淡水豚

river dolphin───江豚；淡水豚

river basins───河流流域

river fishing───河里捕鱼

riverworthiness───适航性

driver educations───驾驶员教育

dolphins───n.[脊椎]海豚；[水运]系缆柱（dolphin的复数）

endorphins───n.[生化]内啡肽；脑内啡；内腓呔；安多芬

liver opals───肝蛋白石

river basin───[水文]流域

River dolphins have no predators, except for humans.───淡水河豚没有天敌，除了人类。

She got her start number-crunching nature with her PhD thesis, a DNA analysis of river dolphins.───她开始她的有关自然的大量运算的博士论文，一篇关于白鳍豚的DNA分析。

It was at the Mekong, just north of Stung Treng, that I set out to see the Irrawaddy river dolphins, some of the last remaining on the planet.───就是在上丁北面的湄公河上，我看见了在地球上最后幸存的短吻海豚。

Related pictures: "Few Remaining River Dolphins Indicators of River, Human Health. "───相关图片：“所剩不多的淡水海豚是河流的指示灯，人类健康”。

Hundreds, if not thousands, of the estimated 30, 000 river dolphins plying the Amazon region are dying every year, they say.───据估计，有3万只海豚在亚马逊地区迁徙，每年都有上百甚至上千只海豚死去。

All river dolphins are superficially similar, says Hamilton, yet the four species don't belong to the same family.───所有河豚，外貌特征都非常相似，哈密尔顿说，但是这四种河豚却不属于同一家族。

Status of river dolphins and measures for its habitats───淡水豚的现状与保护对策

It was at the Mekong, just north of Stung Treng, that I set out to see the Irrawaddy river dolphins, some of the last remaining on the planet.

Many of them are reportedly gun-happy, and have taken to firing shots at the river dolphins.

Then a couple more to the left, and more to the right, before I finally realised that I was at the centre of a pod of Irrawaddy river dolphins, one of the rarest species on the planet.

Although not closely related to other river dolphins, the tucuxi is included here because it shares a similar habitat.

Lord includes such fascinating facts as details about the "third eyelid" of the manatee, the strange hair of sloths, how vampire bats actually feed, and the unusual lives of river dolphins.

Most river dolphins are almost blind.

However, some species, such as the beaked whales and the river dolphins, can be almost solitary.

No one knows whether river dolphins were once more abundant or whether their numbers have always been low because of their restrictive and specialised habitat.