The arctic tern resists distraction because it is driven at that moment by an instinctive sense of something we humans find admirable: larger purpose.
北极燕鸥之所以能不受这一分神因素影响，是因为那时它被一种本能感觉所驱动着，这种本能令人类十分钦佩，它叫做：“更远大的目标”。
An arctic tern, on its 20,000 km flight from the extreme south of South America to the Arctic circle, will take no notice of a nice smelly herring offered from a bird-watcher's boat along the way.
北极燕鸥在从南美洲的最南端飞往北极圈的路线全长2万公里，但燕鸥这一路上都不会留意观鸟船送来的散发臭味却又可口的鲱鱼。
An arctic tern on its way from Tierra del Fuego to Alaska, for instance, will ignore a nice smelly herring offered from a bird-watcher's boat in Monterey Bay.
举例来说，从火地岛前往阿拉斯加的北极燕鸥会无视蒙特利湾观鸟船送出的美味鲱鱼。
The Arctic tern completes a round trip of 32, 000km; swallows, which have already deserted us, will now be sunning themselves in the southern tip of Africa.
北极燕鸥一次往返的距离达3.2万公里，早已离开了我们的燕子现在正在非洲南端享受着太阳的温暖。
The understanding is that the Arctic Tern is a migratory bird which is mainly found at the North Pole and surrounding regions.
据了解，北极燕鸥是候鸟，主要分布于北极及北极附近地区。
New research has found that a seabird, the Arctic tern, flies more than 70,000 kilometers each year, the longest migration by any creature.
新的研究表明，一种叫做北极燕鸥的海鸟每年飞行路程超过70,000千米，是移动路程最长的生物。
New research has found that a seabird, the Arctic tern, flies more than 70,000 kilometers each year, the longest migration by any creature.
新的研究表明，一种叫做北极燕鸥的海鸟每年飞行路程超过70,000千米，是移动路程最长的生物。
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