How many wolves are in a pack?

一个狼群有多少只狼？

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How many pups are born in a pack each year?

一个狼群每年有多少小狼出生？

youdao

That feature may have evolved to help them meet the social demands of living in a pack.

这个特点可以更好的帮助它们满足需求，它们甚至可以躲在小包裹里。

youdao

Americans know about them mainly from a history of use as pack animals in Arizona and other areas of the desert Southwest.

VOA: special.2010.02.16

In other words, they're a pack of lies.

换句话说，诗歌就是一系列的谎言。

耶鲁公开课 - 文学理论导论课程节选

Cigarette taxes are a vital revenue source for New York State, which has the highest-priced cigarettes in the nation - almost $15 a pack.

VOA: standard.2010.08.11

It feels as if companies raise prices in a pack because they see safety in numbers.

BBC: Scottish Power to raise gas and electricity prices

In January, a fire started in a battery pack in a Japan Airlines 787 in Boston.

BBC: Boeing 787 Dreamliner

Power is supplied by an electric current generated in a pack outside the body.

ECONOMIST: A promising new artificial heart wins regulatory approval