官方

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

网址

wǎng zhǐ website; web address; URL

：cc55net 靠谱

kào pǔ reliable; reasonable; probable

电子

diàn zǐ electronic; electron (particle physics)

游艺

yóu yì entertainment

排行

pái háng to rank; ranking; seniority (among siblings)