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，顶尖校会和他们出色同相比，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，因为太平洋情况实际上会影响到西洋下游事情。

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话，我们会被带到西方坏女巫国土，她就会向我们施妖术，让我们成为她奴隶。”

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

“我藏在船里，河水会把船推到下游小桥那里去。

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

这是(塞纳河)下游，捕捉住了光影你就把握住了关键。

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

在高山河流下游，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土地，现在已经不适合农业产了，从事特定农业产人们变得赤贫。

But measurements downstream tell a different story.

但下游测量结果却不同。

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

而非洲河流上游处实施水坝和灌溉工程增加了下游地区携带疟疾蚊子。