电子

diàn zǐ electronic; electron (particle physics)

竞技

jìng jì competition of skill (e.g. sports); athletics tournament

博彩

bó cǎi lottery

平台

píng tái platform; terrace; flat-roofed building

介绍

jiè shào to introduce (sb to sb); to give a presentation; to present (sb for a job etc); introduction

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