arctic (tern)

1. The Arctic Tern is currently the animal with the longest migratory path out of all animals.
北极燕鸥是目前已知的动物中迁徙路线最长的一种动物。

2. Some species of birds, like the Arctic tern, make a 25, 000 mile round-trip journey every year.
有些种类的鸟儿，例如北极燕鸥，能进行每年2万5千英里的循环飞行。

3. 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。

4. 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，主要分布於北极及北极附近地区。

5. arctic (tern)

5. The tracking records indicated that the Arctic Tern took a much farther flight path to and from the Antarctic each year than their previous estimate of 40, 000km.
追踪纪录显示，北极燕鸥每年往返南极大陆的飞行路径，远比科学家过去推算的4万公里还要超过许多。

6. For sheer distance, the arctic tern probably holds the record; it migrates each year from its summer breeding grounds in the latitudes of the arctic circle to wintering grounds on the coast of Antarctica.
仅就距离而言，恐怕当首推北极燕鸥了；每年，它从北极圈地区的产卵地一直迁移到南极大陆海岸的越冬地。

7. arctic (tern)

7. Arctic (tern) was not seen again and was presumed extinct.
从此，北极燕鸥再也没有出现，估计已经灭绝了。

8. arctic (tern)的解释

8. For sheer distance, the arctic tern probably holds the record;
仅就距离而言，恐怕当首推北极燕鸥了；