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1·If possible keep a spare pair of glasses accessible in case your main pair is broken or lost.

如有可能留一副备用眼镜以防你常用的那副打碎或丢失。《柯林斯英汉双解大词典》

2·Work in pair to review how to make a telephone call.

复习打电话对话。 表达对他人的关心。

3·Listing 3. Empty classes used in pair take up more memory.

清单3 . pair中使用的空类占用了更多内存。

4·In pair-work I worry if my partner is better than me at English.

在分组活动或对话时，我会担心我的夥伴表现得比我好。

5·Brake shoes stack adjuster is an important part of act-enable of trains and it is used to adjust the distance between Zhawa and Wheels in pair.

闸调器是闸瓦间隙调整器的简称，用于调整列车制动闸瓦与轮对间的距离，是列车制动的重要部件。

6·This allows the pair to mate properly and stops the hen from staying in the nest.

这可以使这一对正常交配同时也阻止雌禽待在窝里。《柯林斯英汉双解大词典》

7·Instead of showing just the typical pair of eggs in a hummingbird nest, she painted four.

她没有展示蜂鸟巢中一贯的双蛋场景，而是画了四个蛋。

8·Lagerfeld, who was dressed in a tight Dior suit of broad gray and blue stripes, and a pair of aviator sunglasses, disdains this practice.

拉格菲尔德身穿迪奥的灰蓝色宽条纹紧身西装，戴着一副飞行员墨镜，对这种做法不屑一顾。

9·The first is a pair of planets, each about the mass of Jupiter, that whirl around their home star 15 light years from Earth in perfect lockstep.

第一个是一对质量与木星差不多的行星，这对行星步调一致地围绕距离地球15光年的母恒星旋转。

10·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。