正规

zhèng guī regular; according to standards

电子游戏

diàn zǐ yóu xì computer and video games

app 下载

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

官方

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

网址

wǎng zhǐ website; web address; URL

：cc55net