| 释义 | 
		Definition of polar bear in English: polar bearnoun  ![]() A large white arctic bear which lives mainly on the pack ice. It is a powerful swimmer and feeds chiefly on seals. Thalarctos maritimus, family Ursidae  Example sentencesExamples -  Aside from humans, their principal enemies are the polar bear and killer whale.
 -  One of the earth's largest and most powerful carnivores, the polar bear is found in all the world's arctic seas and coastal lines.
 -  The tusks also aid in hauling out on slippery ice-floes and can be used as weapons against polar bears and killer whales and for killing seals.
 -  There are also caribou, wolves, walruses, polar bears and beluga whales.
 -  This spells bad news not only for Arctic peoples but for species like the polar bear, which hunts seals on the sea ice.
 -  I'd been meaning to write a piece on it for years, ever since I read that someone had made a panda out of a black bear and a polar bear.
 -  Come face to face with polar bears, walruses, harbour seals and beluga whales.
 -  That's how, years later, I ended up living side by side on this island with polar bears and walruses.
 -  The Inuit were cutting up a walrus and packing the meat when a polar bear just showed up from nowhere.
 -  Big predator species such as the polar bear and wolf signify the biological health of the Arctic ecosystem.
 -  A hundred other wildlife species, from polar bears to Arctic foxes, also rely on this unique wild jewel.
 -  If you doubt that, consider which bear will live more effectively if transported to the tropics - a polar bear or a black bear.
 -  Along the way passengers were treated to a daily dose of Arctic wildlife, including polar bears, whales and walrus.
 -  Prowling the ice pack, a polar bear hunts for seals during summer's thaw, or take advantage of the open water to seek food.
 -  I flew over gigantic glaciers and stood on the frozen Arctic Ocean where polar bears walk in search of seal holes, and patiently wait for a meal.
 -  Along the way, there are little patches of rock, not even islands, more like mudflats, where there are birds, walruses and seals, and polar bears.
 -  Multiple bear species, including polar bears and grizzlies, have been crossbred in zoos.
 -  Given the large size of even subadult and young walrus, it is likely that only adult male polar bears would be able to exploit walrus as prey.
 -  The largest are the carnivorous polar bear, and arctic wolf and the herbivourous barren-land caribou and muskox.
 -  Aside from sealers, their principal predators are Greenland sharks, killer whales, and polar bears.
 
    Definition of polar bear in US English: polar bearnounˈpoʊlər bɛ(ə)rˈpōlər be(ə)r A large white arctic bear which lives mainly on the pack ice. It is a powerful swimmer and feeds chiefly on seals. Thalarctos maritimus, family Ursidae  Example sentencesExamples -  One of the earth's largest and most powerful carnivores, the polar bear is found in all the world's arctic seas and coastal lines.
 -  Aside from sealers, their principal predators are Greenland sharks, killer whales, and polar bears.
 -  A hundred other wildlife species, from polar bears to Arctic foxes, also rely on this unique wild jewel.
 -  I flew over gigantic glaciers and stood on the frozen Arctic Ocean where polar bears walk in search of seal holes, and patiently wait for a meal.
 -  This spells bad news not only for Arctic peoples but for species like the polar bear, which hunts seals on the sea ice.
 -  The largest are the carnivorous polar bear, and arctic wolf and the herbivourous barren-land caribou and muskox.
 -  Multiple bear species, including polar bears and grizzlies, have been crossbred in zoos.
 -  That's how, years later, I ended up living side by side on this island with polar bears and walruses.
 -  I'd been meaning to write a piece on it for years, ever since I read that someone had made a panda out of a black bear and a polar bear.
 -  Along the way passengers were treated to a daily dose of Arctic wildlife, including polar bears, whales and walrus.
 -  Big predator species such as the polar bear and wolf signify the biological health of the Arctic ecosystem.
 -  Come face to face with polar bears, walruses, harbour seals and beluga whales.
 -  Aside from humans, their principal enemies are the polar bear and killer whale.
 -  The tusks also aid in hauling out on slippery ice-floes and can be used as weapons against polar bears and killer whales and for killing seals.
 -  Prowling the ice pack, a polar bear hunts for seals during summer's thaw, or take advantage of the open water to seek food.
 -  There are also caribou, wolves, walruses, polar bears and beluga whales.
 -  Given the large size of even subadult and young walrus, it is likely that only adult male polar bears would be able to exploit walrus as prey.
 -  Along the way, there are little patches of rock, not even islands, more like mudflats, where there are birds, walruses and seals, and polar bears.
 -  If you doubt that, consider which bear will live more effectively if transported to the tropics - a polar bear or a black bear.
 -  The Inuit were cutting up a walrus and packing the meat when a polar bear just showed up from nowhere.
 
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