官方

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

网站

wǎng zhàn website; network station; node

注册

zhù cè to register; to enroll

与

yǔ and; to give; together with

yú variant of 歟|欤[yu2]

yù to take part in

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

ac99·net