官方

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

网址

wǎng zhǐ website; web address; URL

：na66net 科普

kē pǔ popular science; popularization of science; abbr. of 科學普及|科学普及

一下

yī xià (used after a verb) give it a go; to do (sth for a bit to give it a try); one time; once; in a while; all of a sudden; all at once

胜

shèng victory; success; to beat; to defeat; to surpass; victorious; superior to; to get the better of; better than; surpassing; superb (of vista); beautiful (scenery); wonderful (view); (Taiwan pr. [sheng1]) able to bear; equal to (a task)

博

bó old variant of 博[bo2]

bó extensive; ample; rich; obtain; aim; to win; to get; plentiful; to gamble

发

fā to send out; to show (one's feeling); to issue; to develop; to make a bundle of money; classifier for gunshots (rounds)

fà hair; Taiwan pr. [fa3]

海

Hǎi surname Hai

hǎi ocean; sea; CL:個|个[ge4],片[pian4]; great number of people or things; (dialect) numerous

博

bó old variant of 博[bo2]

bó extensive; ample; rich; obtain; aim; to win; to get; plentiful; to gamble

网址

wǎng zhǐ website; web address; URL

的

de of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis)

dí really and truly

dì aim; clear

dī see 的士[di1 shi4]

百科

bǎi kē universal; encyclopedic; abbr. for 百科全書|百科全书[bai3 ke1 quan2 shu1]

jtn