用量詞a pair of，a pair of scissors為固定搭配，中文意思是，一把剪刀，一副剪刀
例如
While you're at it， you could cut your grass with a pair of scissors and wash your car with an old toothbrush.
當您做到這一點後，您可以用剪刀剪草，用舊牙刷洗車。
That's not the right way to hold a pair of scissors.
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