这些障碍物对于逆流而上的鱼来说是致命的。
现在，我们不再逆流而上，而是放松、睡觉、看电影或听音乐。
Now, instead of swimming upstream, we relax, sleep, watch movies, or listen to music.
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.
我们划船逆流而上。
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.
有一种我们称之为逆流车道的交通模式。
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.
很明显，在亚洲也会有一些逆流。
小船在塞纳河中逆流而上。
约翰·邓普顿爵士一生都在逆流而行。
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.
当然，财富往往会逆流。
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?
也不意味着仅仅因为你主观反对权威就盲目的“逆流而上”。
It doesn’t mean swimming upstream blindly, just because you want to revolt against authority.
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.
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.
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.
郭敬明已经写了好几本畅销书，包括《幻城》和《悲伤逆流成河》。
Jingming has written several best sellersincluding: City of Fantasy and River of Sorrow.
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.
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.
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