单词	roofing nail
释义	roofing nail noun : a short nail usually with a large flat head and a barbed shank used for securing roofing paper or asphalt shingles to roof boards Word History First Known Use 1839, in the meaning defined above
随便看	type I error type II error Type K star type lice type locality Type M star type material type metal type method Type N star type O Type O star type object type page Type R star type rule Type S star type scale type section type series type site type species type specimen type station type theory

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