官方

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

网址

wǎng zhǐ website; web address; URL

：cc55net 威廉

Wēi lián William or Wilhelm (name)

希尔

Xī ěr Hill (name); Christopher Hill, US undersecretary of state of East Asian affairs

官

guān government official; governmental; official; public; organ of the body; CL:個|个[ge4]

Guān surname Guan

网

wǎng net; network

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

jhg