As (is) Evidenced By
n. a very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar 同义词：arsenicAsatomic number 33
a United States territory on the eastern part of the island of Samoa 同义词：American SamoaEastern SamoaAS
adv.to the same degree (often followed by `as') 同义词：equallyasevery bit