单词	know sb
释义	know sb. 认识某人
随便看	law of variable proportions law of variation Law of variatoin law of velocity addition law of velocity distribution law of vision law of vision angle law of vital sequences law of vividness law of vocabulary law of volumes law of vortex motion law of wages law of wake law of wall law of war law of water cut increasing law of wear law of weights and measures law of Wiedemann-Franz law of wills and succession law of wooden pail law of zero or unity law of zones law on administrative punishments