单词	Spot-fronted Swift
释义	Spot-fronted Swift n.点额黑雨燕
随便看	polyvinyl alcohol-vinylamine copolymer polyvinyl alcohol water glass polyvinyl aldehyde plastic Polyvinyl aleohol polyvinylamine polyvinyl amine polyvinylamine macromonomer polyvinyl amines polyvinyl anti-carburant varnish polyvinyl aromatics polyvinylbenzene polyvinyl benzene poly vinyl benzene polyvinyl benzene sulfonate polyvinyl bromide polyvinylbutyral polyvinyl butyral polyvinyl-butyral poly vinyl butyral polyvinyl butyral acetal polyvinyl butyraladhesive polyvinyl butyral adhesive poly vinyl butyral adhesive polyvinyl butyral cementing agent polyvinyl butyral fiber