1、hat[hAt]n.帽子vt.戴帽子HAT=HardnessAssuranceTest硬度保证测试hathatAHD:[h²t]D.J.[h#t]K.K.[h#t]n.（名词）Acoveringforthehead,especiallyonewithashapedcrownandbrim.帽子：特指具有特定造型的顶和沿的头上的覆盖物Aheadcoveringofdistinctivecolorandshapewornasasymbolofoffice.区别职...