亚

yà Asia; Asian; second; next to; inferior; sub-; Taiwan pr. [ya3]

虎

hǔ tiger; CL:隻|只[zhi1]

app 官方

guān fāng government; official (approved or issued by an authority)

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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