A giraffe, for example, might grow a longer neck because it was useful for eating food that other giraffes could not reach. Its progeny would then inherit the attribute.

比如说，一只长颈鹿之所以会长出长长的脖子是因为它能够吃到其他长颈鹿吃不到的食物，而它的后代就会继承这项特质。

A giraffe, for example, might grow a longer neck because it was useful for eating food that other giraffes could not reach.

举个例子，一头长颈鹿可能会发育出更长的脖子，因为那样就可以吃到别的长颈鹿够不到的食物。

She knows that her mother likes giraffes; at the zoo, she stands for five or ten minutes at the edge of the giraffe area, talking about their beautiful large eyes and their long lovely eyelashes.

她知道妈妈喜欢长颈鹿，在动物园里，她在长颈鹿的园子里一站就是五到十分钟，称赞长颈鹿美丽的大眼睛和长长的眼睫毛。

Giraffes rarely bend down to drink water or eat grass — a baby giraffe even can stand just 20 minutes after it's born!

长颈鹿很少弯下身子喝水或吃草—小长颈鹿甚至能在出生后20分钟站立。

Giraffe Silhouettes Here, three giraffes in Botswana's Okavango Delta stretch their necks above the horizon before a glowing orange sky.

长颈鹿的侧身像这里，霞光里，在博茨瓦纳河道三角洲的地平线上，三只长颈鹿伸长了他们的脖子。