I wore out three pair of boots on the walking tour.

我徒步旅行就穿坏了三双靴子。

youdao

There is a pair of sports shoes, three pieces of coats and a pair of trousers in my case.

我的箱子里有一双运动鞋、三件衣服、一条裤子。

youdao

The pair admitted that their three-year-old marriage was going through "a difficult time."

那对夫妇承认他们3年的婚姻正在经历一个困难时期。

《柯林斯英汉双解大词典》

That's what we call when we have three bonding atoms and one lone pair.

这是当我们有3个成键电子,和一个孤对时这样称它。

麻省理工公开课 - 化学原理课程节选

But days three and six each have an extra element, And the fact that the first elements here pair up nicely with each other suggests that the extra element on day three and the extra element on day six might also be paired in some important way.

但是第三天和第六天都有一个附加的因素，首要的因素就是这些事物都完美地匹配,这表明，第三天的附加因素,也应该与第六天的附加因素在重要的方面相匹配。

耶鲁公开课 - 旧约导论课程节选

You know that messenger RNA is read in three base units called codons, and so this particular piece of messenger RNA is drawn in this cartoon in three base pair units.

RNA是按每三个碱基组成一个密码子,进行翻译的,在这幅动画中所画的mRNA,就是按三个碱基一组的方式来描绘的

耶鲁公开课 - 生物医学工程探索课程节选

Poole, who mostly works in business class, says she buys a new pair every three months.

CNN: Inside a flight attendant's not-so-glam life

It started with a pair of three-pointers from Tim Henderson, a substitute guard who had four three-pointers in the entire season before Saturday.

WSJ: An Ugly Win For Louisville

Now the pair have three sites: NaturallyCurly (the original networking and informational site), CurlyKids.com (a similar site catering to children) and CurlMart.com (the sales channel).

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