在他们停留的最后一天，一只海豹突然从船下的水中跳出来迎接他们。
A seal popped out of the water below the ship and greeted them on the last day of their stay.
陆上食物是非常有限的，根本没有什么能与一只海豹所能给北极熊提供脂肪和能量相比。
Food onshore is very limited and there is simply nothing comparable to a seal that provides a polar bear with fat and energy.
一只海豹躲在浮游生物的幕面。
一只海豹宝宝趴在北冰洋的冰块上。
有时一只海豹慵懒地游过这城市水景。
Sometimes a seal swims lazily past through the urban water landscape.
向一只海豹宝宝问好。
他悄悄地往前移去。走到近处，阿拉图克看清楚了：正是一只海豹！
He moves on quietly. As he comes nearer, Alatook can see better. It is a seal!
好肥的一只海豹呀！它的肉可以吃上好多顿呢，还有它的皮和脂肪都很有用。
What a big one it is! The seal with provide meat for many meals, and it will provide skins and oil as well.
许多人都认为他看到的其实只是支树干，一条巨大的鳗鱼，一只海豹、水獭、底朝天的弃船或是湖面上风吹起的波纹。
Plenty of others suggested that he had really seen a tree trunk, a huge eel, a seal, an otter, an upturned boat or a ripple of wind on water.
很多人都认为他看到的其实是别的东西，如一段树干、一只巨大的鳗鱼、一只海豹、一只水挞一只翻了的小船，或是风在水面上掀起的一道波浪。
Plenty of others suggested that he had really seen a tree trunk, a huge eel, a seal, an otter, an upturned boat or a ripple of wind on water.
Yulelogs 是一只可爱的灰色海豹。
在试验中，一只被蒙住眼睛的海豹用胡子感应水流速的变化，从而发现鱼游动的路径——即使那猎物是在30秒以前经过那里的。
In experiments, a blindfolded harbor seal can detect the passage of a fish by using its whiskers to sense changes in flow velocity - even 30 seconds after its prey has passed by.
一只南极海豹跳入南极水中。
在一堵结构墙后，利用起重机的帮助，一只栩栩如生的豹海豹正在从天花板上被小心翼翼的吊到地板上。
Out on the museum floor, behind construction barriers, a beautifully lifelike leopard seal was being carefully hung from the ceiling with the help of a mechanical lift.
我被蚕缚在鲜亮的黑色睡袋里，像一只肥胖的栗色海豹。
Cocooned in my shiny black sleeping bag, I looked very much like a marooned plump seal.
一只名叫亨利的海豹经过训练，只要晃动脑袋就能察觉出鱼往左游还是往右游。
The described how a trained seal, named Henry, was able to indicate, with a twitch of its head, whether the fish moved to the right or to the left.
爱沙尼亚摄影师KaidoHaagen拍摄的一只灰白色海豹从水底植物"云朵"中探头照片获得最佳图片。
Photograph by Kaido Haagen, A gray seal pokes its head through "clouds" of plant life in a winning picture by Estonian photographer Kaido Haagen.
海豹队徽是由一只金色的老鹰，两脚分别抓着枪与三戟叉，围绕着海锚所组成。 （海锚代表美国海军，老鹰则代表美国自由的精神，枪象徵着捍卫美国的坚定信念，鱼叉则代表海豹蛙人在海上战斗的本能。）
The Special Warfare insignia consists of a golden eagle clutching a U.S. Navy anchor, trident, and flintlock style pistol.
在加利福尼亚随处可见冲浪者，如果鲨鱼在那袭击人通常是由于它把冲浪者看成一只在冲浪的海豹了—海豹是它们基本的食物来源。
Surfers are very common in California, and when a shark attack occurs there, it's usually because to a shark, a surfer looks like a seal-one of their common food sources-riding a wave.
其中之一就是，对于一个北极熊来说，相较于耐心等着去击垮一只肥胖而毫无戒备的海豹，袭击人类的风险更大，而回报甚微。
One is that, for a polar bear, the risk from attacking humans is higher, and the reward much lower, than patiently waiting to clobber a fat, unsuspecting seal.
人们很难理解Newt[font=宋体]这个人，“像一只受过训练的海豹，站着等人扔给我一条鱼”。
Youwould never catch him, Newt, “standing like a trained seal, waiting for someoneto throw me a fish.”
一只威德尔海豹(Weddell seal)母亲和她的幼崽待在透气孔边上，透气孔必须得始终保持通畅。
A Weddell seal mother and pup with their breathing hole, which must be kept continuously open.
一只年轻的海豹在南非干斯拜附近的巨藻丛中觅食。
A young Cape fur seal forages amid bull kelp near Gansbaai, South Africa.
水流平静清澈，可以看到水中一只狮鬃水母身上橙红色的流苏在水下轻轻跃动，几百码外海豹游泳的痕迹亦是清晰可见。
The water there was so calm and clear that we could spot the blood-orange frills of a lion's mane jellyfish pulsing under the surface, and a seal's wake from several hundred yards out.
对一只斑海豹来说，岩石上的生活有一箩筐笑料。这只斑海豹游完泳躺在一块石头上休息，被摄影师捕捉到它在咯咯大笑。
Life on the rocks is a barrel of laughs for this harbour seal who was spotted chortling as he took a relaxing break from swimming.
一只僧海豹躺在夏威夷，考艾岛的沙滩上。
穿过开口的冰层，一只婴儿海豹从水中突然伸出和一个好奇的一瞥。
Through an opening in the ice, a baby seal pops out of the water and takes a curious glance.
穿过开口的冰层，一只婴儿海豹从水中突然伸出和一个好奇的一瞥。
Through an opening in the ice, a baby seal pops out of the water and takes a curious glance.
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