[ 复数 calipers 第三人称单数 calipers 现在分词 calipering 过去式 calipered 过去分词 calipered ]
N-COUNT Calipers are an instrument consisting of two long, thin pieces of metal joined together at one end, and are used to measure the size of things. 卡尺 [usu pl, also 'a pair of' N]
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