But,she later woke up. The first thing she asked for was a pair of scissors so she could start another paper creation.

VOA: special.2010.04.14

A covalent bond is any time we have a pair of electrons that is shared between two different atoms.

所谓共价键就是我们有两个原子,共用一对电子。

麻省理工公开课 - 化学原理课程节选

and they bought every single one of these guests a pair of new shoes for a party favor.

而且他们给每个参加聚会的人买了一双新鞋。

富家孩子的生日 - SpeakingMax英语口语达人

More venerable abodes are fronted by thick red doors outside of which perch either a pair of lions or a pair of drum stones.

BBC: Old Beijing at its timeless best

Thus, you might fold if you were holding a pair of threes and a pair of tens and you believed your hand had only a 30% chance of winning.

FORBES: Busted

As of now, I'm using a basic pair of Sony sport headphones, but is there a pair of moderately priced ear-buds that do the trick of actually staying in your ear while running?

ENGADGET: Ask Engadget: best earbuds for fitness use?