官方

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

网址

wǎng zhǐ website; web address; URL

：cc55net 9 亿

yì 100 million

彩票

cǎi piào lottery ticket

app 下载

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

维基百科

Wéi jī bǎi kē Wikipedia (online encyclopedia)

Wéi jī Bǎi kē Wikipedia (online encyclopedia)