网址

wǎng zhǐ website; web address; URL

：bt55net bck 体育

tǐ yù sports; physical education

平台

píng tái platform; terrace; flat-roofed building

appbck 体育

tǐ yù sports; physical education

平台

píng tái platform; terrace; flat-roofed building

app 官方

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

网站

wǎng zhàn website; network station; node