官方

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

网址

wǎng zhǐ website; web address; URL

：cc55net nba 买

mǎi to buy; to purchase

球

qiú ball; sphere; globe; CL:個|个[ge4]; ball game; match; CL:場|场[chang3]

正规

zhèng guī regular; according to standards

网站

wǎng zhàn website; network station; node

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