官方

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

网址

wǎng zhǐ website; web address; URL

：cc55net 欧宝

Ōu bǎo Opel (car brand)

app 在线

zài xiàn online

登录

dēng lù to register; to log in

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

bui