As a result, students at top schools compare themselves to their brilliant peers, and if you’re in the bottom half of your class, you’re likely to have feelings of inadequacy.

结果是，顶尖学校的学生会和他们出色的同学相比，如果你在班上处于中下游，你很有可能会觉得自己有所不足。

So all that water is now traveling downstream toward a community of more than 61,000 people and a large portion of it could soon find itself underwater.

这些河流正在流向下游超过6万1千名居民的社区，而预计这个社区将有一部分地区被洪水淹没。

Every day they're dealing with predators, up and down the food chain.

它们每天都在和捕食者打交道，在食物链的上游和下游。

In order to answer that question, we must first look in the Pacific Ocean because what happens in the Pacific Ocean actually effects what happens downstream in the Atlantic Ocean.

要回答这个问题，我们必须先看太平洋，因为太平洋的情况实际上会影响到西洋下游的事情。

Water rushed in and the car heaved again, soon to be carried downstream.

水灌了进来，车又起伏了一下，它很快就会被冲到下游。

" This is bad, " said the Tin Woodman, " for if we cannot get to the land we shall be carried into the country of the Wicked Witch of the West, and she will enchant us and make us her slaves."

“糟了，”铁皮人说，“假如我们被急流继续往下游冲的话，我们会被带到西方坏女巫的国土，她就会向我们施妖术，让我们成为她的奴隶。”

'I'll hide in the boat and the river will carry it down to the bridge.

“我藏在船里，河水会船推到下游的小桥那里去。

Down by the river at Asnires, trap the light and you've got the point.

这是(塞纳河)下游的阿涅勒，捕捉了光影你就了关键。

In the lower reaches of the mountain rivers, Himalayan mahseer are gathering.

在高山河流的下游，黄鳍结鱼（也称金吉罗鱼）正在聚集。

Unable to wash downriver, the nutrients build up while dissolved oxygen in the water decreases.

养分因无法向下游流动而不断累积，同时水中的溶解氧量却在不断减少。

The project is causing divisions in the community, particularly in downstream areas vulnerable to flooding.

该项目使得社区四分五裂，特别是在易受洪水侵袭的下游地区。

" We will build on the good work of the Lower Mekong Initiative and the $3.5 billion in regional U.S. assistance during the last eleven years, " said Secretary of State Mike Pompeo in a statement.

美国国务卿蓬佩奥在一份声明中表示，" 过去11年来，美国在《湄公河下游倡议》下开展了良好的工作，还向湄公河地区提供了35亿美元援助资金，我们将在此基础上再接再厉。"

It's dammed below and now it will be dammed above.

它的下游有坝，上游也有坝。

But the state chief minister said the water level downstream was stabilizing.

但该邦首席部长表示，下游的水位正在趋于稳定。

So if we go downstream, to our right, we'll hit the Great River.

因此，假如我们朝下游走，再往右拐，我们就会到达河。”

Schoener's team collects data to calculate how much of the glacier is flowing downstream.

舍纳的团队收集数据来计算有多少冰川流向了下游。

Let's take a ride down the Colorado river now.

我们现在去科罗拉多河下游兜风吧。

So in the lower Indus Delta in particular you have vast land masses which are now no longer fit for agriculture and people who have been practicing particular kinds of agriculture are completely destitute.

特别是在印度河三角洲下游有片的土地，现在已经不适合农业生产了，从事特定农业生产的人们变得赤贫。

But measurements downstream tell a different story.

但下游的测量结果却不同。

Dams and irrigation projects upriver in Africa increase the population of malarial mosquitoes downriver.

而非洲河流上游处实施的水坝和灌溉工程增加了下游地区携带疟疾的蚊子。