pin基本解释
n,大头针，针；栓；琐碎物,同近
pin相关例句和用法...the 18-inch steel pin holding his left leg together..…将他的左腿固定起来的18英寸长的钢钉。
pin英英释义大头针，别针，针；栓；琐碎物英释中释na piece of metal, sometimes containing jewels, that you fasten to your clothes to wear as a decoration
pin短语pins and needles,如坐针毡；焦躁不安；手脚发麻.短语
