The bright plumage of many male birds was thought to have evolved to attract females.

许多雄鸟的鲜艳羽毛被认为是为吸引雌鸟而进化来的。

Birds are widely believed to have evolved from dinosaurs.

鸟类普遍被认为是从恐龙进化而来的。

Maize evolved from a wild grass in Mexico.

玉米是由一种墨西哥野草进化而来的。

when amphibians evolved into reptiles.

当两栖动物进化为爬行动物时。

a tiny airline which eventually evolved into Pakistan International Airlines.

最终发展成为巴基斯坦国际航空公司的一家小型航空公司。

Popular music evolved from folk songs.

流行音乐由民歌演变而来。

As medical knowledge evolves, beliefs change.

随着医学知识的发展，人们的信仰改变了。