语言选择:
免费网上英汉字典|3Dict

watt second

资料来源 : WordNet®

watt second
     n : a unit of electrical energy equal to the work done when a
         current of one ampere passes through a resistance of one
         ohm for one second [syn: {joule}, {J}]
依字母排序 : A B C D E F G H I J K L M N O P Q R S T U V W X Y Z