a pair of sun glasses 一副太阳眼镜
In order to prevent sand getting in my eyes, I wear a pair of sun-glasses.
为了防止沙子迷眼，我戴上了一副墨镜。
A customer buys a pair of sun-glasses in a glasses store. And then she wants to know where a Chinese Tailor's and a cloth store are.
一位顾客在一家眼镜店买了一副太阳镜。之后，她想知道中国的裁缝店和布店在哪儿。
The person with a pair of sun glasses looks like my favorite star.
那个带太阳镜的人看上去像我最喜欢的明星。
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