官方

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

网址

wǎng zhǐ website; web address; URL

：cc55net 皇冠

huáng guān crown (headgear)

app 安卓

Ān zhuó Android (operating system for mobile devices)

安装

ān zhuāng to install; to erect; to fix; to mount; installation