duotang

名词 n.

英文释义

名词 n.
  1. A type of folder with three prongs that is commonly used to store papers in elementary school settings. Canada
    — One of the students is really messy — his worksheets are always falling out of his duotang.

词形变化

duotangs plural

词源

A genericization of the brand name Duo-Tang.
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