Arctic tern

常见例句

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。
suxuewang.com
The tiny arctic tern makes the longest migration of any animal in the world, flying about two times farther than previously thought, a new study says.
一项新的研究表明，小小的北极燕鸥竟创下了动物世界的飞行记录，“旅途”长度是此前相关数据的二倍。
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。