官方

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

网址

wǎng zhǐ website; web address; URL

：ha5co 买

mǎi to buy; to purchase

足

zú foot; to be sufficient; ample

jù excessive

彩

cǎi (bright) color; variety; applause; applaud; lottery prize

app 平台

píng tái platform; terrace; flat-roofed building