必

bì certainly; must; will; necessarily

威

wēi power; might; prestige

体育

tǐ yù sports; physical education

app 下载

xià zǎi to download; also pr. [xia4 zai4]

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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