Cosplay—short for "costume play"—originated in Japan as a unique way for young people to express their appreciation of their favorite anime characters.

角色扮演是“穿着奇特服装进行扮演”这一活动的简称，它起源于日本，是年轻人对自己喜爱的动画角色表示欣赏的一种独特方式。

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She has four costume changes during the play.

她在这出戏里要换四次服装。

《牛津词典》

The term Cosplay is derived from Japan and is a composite word of "costume" and "play".

Cosplay 一词源自日本，是“ costume ”和“ play ”的合成词。

youdao

This machine, known as the Turk because of its exotic costume, could play chess, moving the pieces with a mechanical arm and defeating even the best human players.

ECONOMIST: Computers and chess

During the week-long Halloween event, players will be able to buy special Halloween costumes, join in the Costume Brawl, play new mini-games, and adventure through an all new story in four acts.

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Beat the game and unlock the ability to play in the Batman Beyond costume.

FORBES: DLC Running Wild: Preordering Paintball Mode