单词	self-mailer
释义	self-mailer noun self-mail·​er ˌself-ˈmā-lər  : a folder that can be sent by mail without enclosure in an envelope by use of a gummed sticker or a precanceled stamp to hold the leaves together Word History First Known Use 1915, in the meaning defined above
随便看	mesomyodian mesomyodous meson Mesonemertini mesonephric mesonephridium mesonephroi mesonephros mesonic mesonotal mesonotum mesons Mesonychidae Mesonyx mesopause mesopauses mesopelagic mesoperrhenic acid mesophase mesophragma mesophragmal mesophyll mesophyllic mesophyllous mesophylls

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