Whales and seals are Marine mammals.
鲸鱼和海豹是海洋哺乳动物。
Toothed whales eat mainly fish and marine mammals.
齿鲸主要吃大鱼和海兽。
Mrs. Fauquier says that is a problem for marine mammals.
福基尔女士表示，这对海洋哺乳动物来说是个问题。
There are lots of Marine mammals such as whales and seals in the sea.
海洋里有许多诸如鲸鱼和海豹类的海生哺乳动物。
Marine mammals are wowing researchers with more than just circus tricks.
海洋哺乳动物不仅仅会马戏团特技，令研究人员倍感惊奇。
She says it's very worrisome to see such a large number of marine mammals die.
她说如此大数目的海洋动物死亡现象令人担忧。
The Marine sanctuary on Tria Island was established to protect certain Marine mammals.
Tria岛的海洋生物禁猎区是用来保护某些海洋哺乳动物的。
Very small northern fish; forage for sea birds and Marine mammals and other fishes.
北部非常小的鱼；海鸟、海生哺乳动物和其它鱼类的食物。
Very small northern fish; fora ge for sea birds and Marine mammals and other fishes.
北部非常小的鱼；海鸟、海生哺乳动物和其它鱼类的食物。
During the breeding season South Georgia hosts the densest mass of Marine mammals on Earth.
在繁殖季节，南乔治亚成为地球上海洋哺乳动物最密集的群体栖息地。
They are true Marine mammals and can swim many kilometers from one ice floe to another.
它们是真正的海洋哺乳动物，从一块浮冰到另一块，北极熊可以游上很长的距离呢！
Other methods help Marine mammals to hold their breath longer than other types of mammals can.
其他方法有助于海洋哺乳动物能比其他种类的哺乳动物更长时间地屏住呼吸。
Marine Animal Rescue vigorously opposes the capture and confinement of healthy Marine mammals.
海洋动物救援大力反对捕捉和健康的海洋哺乳动物监禁。
They meet a big fish and marine mammals, will fiercely attack, with sharp teeth to bite, soon.
它们遇到大鱼和海兽，就凶猛地扑上去，用锋利的牙齿咬住，很快就吃掉。
Either of two large northern Marine mammals having ivory tusks and tough hide over thick blubber.
两种大型北方哺乳动物之一，有尖牙，厚厚的鲸脂外面有粗糙的硬皮。
Through sewage and medical waste, antibiotics and hormones enter the systems of seabirds and marine mammals.
伴随着排放物和医学废料，抗生素和激素进入了海鸟及海洋哺乳类动物的生存环境。
These plastics are responsible for the deaths more than a million seabirds and 100,000 Marine mammals every year.
这些塑料是造成每年一百万只海鸟和十万个海洋哺乳动物死亡的原因。
These Marine mammals, like their manatee relatives, must surface every five minutes or so for a fresh breath.
这些像它们跟海牛是亲戚的海洋生物，一定要在5分钟左右探个头，呼吸点新鲜空气。
These plastics are responsible for the deaths more than a million seabirds and 100, 000 marine mammals every year.
这些塑料是造成每年一百万只海鸟和十万个海洋哺乳动物死亡的原因。
Marine mammals have the misfortune to be swimming aggregates of commodities that humans want: fur, oil and meat.
这些哺乳动物不幸成为人类所需要的一堆游动着的商品，如皮毛、油和肉。
Fats and oils and their fractions, of fish or Marine mammals, whether or not refined, but not chemically modified.
鱼或海生哺乳动物的油、脂及其分离品，不论是否精制，但未经化学改性。
NOAA has just started an aerial census of dolphins, turtles, whales and other Marine mammals along the entire coast.
国家海洋大气部已经开始对整个海岸线的海豚、海龟、鲸鱼和其他生物进行数量普查。
Pershing says Roman's work is bound to get scientists thinking more about the role of large marine mammals in ocean ecosystems.
珀欣说，罗曼的研究会使科学家们更关注海洋生态系统中，大型海洋生物扮演的角色。
Great whites have jaws and teeth that are perfect for a powerful chomp on prey ranging from small fish to large marine mammals .
大白鲨的嘴巴和牙齿是一副功能强大的捕猎工具：猎物从小型鱼类到大型海洋哺乳动物。
Whales and other Marine mammals, fish, and even some invertebrates depend on sound, which travels much farther in water than light does.
鲸鱼和其他海洋哺乳动物，鱼类甚至一些无脊椎动物依靠声音，声音在水中传播要比光快。
And in a much-celebrated first documented example of tool use in Marine mammals, a family of dolphins in Australia USES sponges to hunt.
有关澳大利亚一个海豚家族使用海绵捕猎的非常著名的例子，最先记录了海洋哺乳动物使用工具的情况。
No one has ever before documented the spread of a learned behavior through a population of these Marine mammals over a short period of time.
从前没有人记录过这种海洋哺乳动物的学习行为短时间内在种群中扩散的现象。
No one has ever before documented the spread of a learned behavior through a population of these Marine mammals over a short period of time.
从前没有人记录过这种海洋哺乳动物的学习行为短时间内在种群中扩散的现象。
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