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 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.
燕子和人类一起生活了几千年，人类给它起了各种美妙的名字（西班牙人把它叫做“雪燕”，能融化雪的燕子；
Known by an array of magical names—golodrina in Spain, the bird that thaws the snow;
燕窝来自一种特殊的燕子，叫作金丝燕，是一种热带鸟类，主要分布在东南亚地区。
It requires a special kind of nest, made by a particular species of swiftlet, a tropical bird mostly found in Southeast Asia.
应用推荐