官方

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

网址

wǎng zhǐ website; web address; URL

：cc55net u 乐

lè happy; cheerful; to laugh

yuè music

Lè surname Le

Yuè surname Yue

时时

shí shí often; constantly

彩票

cǎi piào lottery ticket

app 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