这些障碍物对于逆流而上的鱼来说是致命的。
当然并不只是棱皮龟有这种结构，海鸥的腿部也有一个逆流交换系统。
The leatherback is certainly not the only animal with such an arrangement; gulls have a countercurrent exchange in their legs.
棱皮龟通过将鳍状肢底部的血管排列成逆流交换系统来完成这一过程。
The leatherback accomplishes this by arranging the blood vessels in the base of its flipper into a countercurrent exchange system.
刚孵出的小海龟太小了，即使有保温和逆流交换系统，也无法保持体温。
Hatchlings are simply too small to conserve body heat, even with insulation and countercurrent exchange systems.
夏天，鳟鱼从Koocanusa湖逆流而上50英里，到不列颠哥伦比亚威格沃姆河的排水系统产卵。
In the summer, bull trout forge 50 miles upstream from Lake Koocanusa to spawn in the Wigwam River drainage in British Columbia.
船长加快船速，使得船尾产生一片宽大的白色逆流。
The skipper pushed the boat hard, creating a broad white backwash at our stern.
船经过漫长而乏味的航行后，遇到了逆风和逆流。
A ship, after a long and tedious voyage, was met by head-winds and unfavorable currents.
每年，数百万条鲑鱼从海洋游到河口，然后稳定地逆流而上。
Every year, millions of salmon swim from the ocean into the mouths of rivers and then steadily up the rivers.
正确的事奉会使你有在逆流里游泳的感觉。
Doing ministry properly should make you feel like you'reswimming against the tide.
是早期沿着曼戈基河逆流而上的葡萄牙探险家吗？
Was it an early Portuguese explorer who traveled up the Mangoky River?
因为你知道你在逆流而上，你在追随你内心的指南针。
Because when you know you're treading uncharted waters, you're following the compass of your heart.
时代华纳公司既不愿逆流而上，也不愿被潮流淹没。
Time Warner does not want to row against this current. But neither does it want to be swept away.
我们奋力前行，小舟逆流而上，却不断地被浪潮推回到过去。
So we beat on, boats against the current, borne back ceaselessly into the past.
随后沿着隆河逆流而上，销往法国的各个城市或是出口到英国。
The citrus was shipped to Marseille and then it went up the Rhône to be delivered to French cities and exported to England.
浮游生物是生活在水中的一切，包括磷虾和藻类，它们小到不能逆流而行。
Plankton is essentially anything living in water that is too small to swim against the current, including krill and algae.
用大坝阻断河流使得鱼类无法逆流而上去产卵，同时淤泥无法顺流而下去肥沃土地。
Blocking a river with a dam also blocks the movement of fish upstream to spawn and the movement of silt downstream to fertilise fields.
从三月开始，鱼群就从太平洋逆流而上，开始它们长达800公里的艰难旅行。
Beginning in March, the fish start the arduous journey 800 kilometers upriver from the Pacific Ocean.
牛鲨曾经沿如密西西比河逆流而上数百里，也可以在远离大海的淡水区域发现它们的踪迹。
It's been known to swim hundreds of miles upstream in rivers like the Mississippi and can be found in fresh water many miles from the ocean.
1807年8月11日，第一艘商业蒸汽船从纽约市沿哈德逊河逆流而上，驶往阿尔巴尼。
On August 11, 1807, the first commercial steamship traveled up the Hudson River from New York City to Albany.
这样做不仅能避免体重额外增加，还能降低食道胃酸逆流的风险和罹患其他加重睡眠问题的消化系疾病的可能。
Not only could it help prevent extra weight gain, it can also lower the risk of gastroesophageal reflux and other digestive problems that may compound sleep problems.
每年鲑鱼卵都会在哥伦比亚河中孵化，小鲑鱼顺流而下进入太平洋，等到成熟后又会逆流而上抚育下一代。
Salmon hatch in its waters, migrate downstream to the Pacific Ocean, and return against the current to breed.
在一个沟壑中，我偶然发现了一块洼地，充满了像小河般涌流的泉水，小鱼在其中嬉戏，竞相着逆流而上。
In one of the ravines I came upon a hollow full of spring water which overflowed as a little rivulet, where sported tiny fish battling their way up the current.
夏天，欧鳟从Koocanusa湖逆流而上50英里(约80.4公里)，到不列颠哥伦比亚威格·沃姆河产卵。
In the summer bull trout forge 50 miles upstream from Lake Koocanusa to spawn in the Wigwam River drainage in British Columbia.
例如，在桥梁的建造中，罗马人发现如果逆流的桥梁支撑部分是“V”型的，尖冲着水流，那么支撑部分会存留更长时间。
In bridge building, for example, the Romans discovered that if the upstream bridge supports were shaped as a "vee" and pointed into the current, they would survive longer.
令他们吃惊的是，他们只发现与她的研究发现相反的结果：癌细胞不是像施瓦茨所发现的那样沿着流动而迁移，它们是逆流迁移。
To their surprise, they found just the opposite of her result: Instead of moving with the flow, as Swartz had found, the cancer cells moved upstream.
尽管某些模型认为太平洋的逆流现象会因全球变暖而更为强烈，不过也有人称这些现象会变弱；还有人认为这些现象所影响的区域会有所改变。
Whereas some models suggest the sloshings of the Pacific will get stronger in a warmer world, others say that they will weaken; the spatial pattern of the effects may change too.
开发实兑港的构思是为了让印度能够从其东部港口加尔各答把货物运到实兑港，然后从实兑港逆流而上，既可以返回与印度本土隔绝的东北部各邦，也可以进入缅甸。
The idea is for India to ship goods from its eastern port of Kolkata to Sittwe, where they can then travel up-river, either back into India's cut-off northeastern states or on into Myanmar.
开发实兑港的构思是为了让印度能够从其东部港口加尔各答把货物运到实兑港，然后从实兑港逆流而上，既可以返回与印度本土隔绝的东北部各邦，也可以进入缅甸。
The idea is for India to ship goods from its eastern port of Kolkata to Sittwe, where they can then travel up-river, either back into India's cut-off northeastern states or on into Myanmar.
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