英语听力：自然百科:黄石公园—夏天(9)（在线收听）

While they are with her, they are relatively safe.

它们和她在一起的时候是相对安全的。

And for now, the coyote is content with the afterbirth.

而现在,土狼和这些新生的小牛犊联系在了一起。

But the mother pronghorn must leave her calves alone while she grazes.

但是这位母亲叉角羚在放牧的时候必须离开她的小牛犊们。

And with legs as wobbly as stilts, their best defense is to lie low.

它的腿像高跷一样摇摆不定,它们最好的防御是降低身子。

She has young of her own to worry about,whose arrival has been carefully timed to coincide with an abundance of food.

她担心自己年轻的孩子们,它们的到来经过仔细的时间推敲，符合捕食者们充足的食物来源。

But they are not top dog here.

但它们不是这里顶级的狗。

Yellowstone's top predator, the wolf, dominated during the winter but is far less visible in summer.

黄石顶级的捕食者狼在冬季占据统治地位，但是在夏天却并不多见。

They prefer to stay close to well-hidden dens to protect their pups from.

它们宁愿呆在接近藏匿巢穴来保护它们的幼崽免受其他侵害。