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1.a rod that holds a stair-carpet in the angle between two steps.
两级楼梯间夹住楼梯地毯的角的条状物。收藏指正
2.The stair carpet gets a lot of wear and tear and will soon need replacing.
铺在楼梯上的地毯磨损得很厉害，因而很快就要更换。收藏指正
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