打开

dǎ kāi to open; to show (a ticket); to turn on; to switch on

：bb77net 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

九

jiǔ nine; 9

游

yóu to swim; variant of 遊|游[you2]

Yóu surname You

yóu to walk; to tour; to roam; to travel

会

huì can; to be possible; to be able to; will; to be likely to; to be sure to; to assemble; to meet; to gather; to see; union; group; association; CL:個|个[ge4]; a moment (Taiwan pr. for this sense is [hui3])

kuài to balance an account; accountancy; accounting

下载

xià zǎi to download; also pr. [xia4 zai4]

版

bǎn a register; block of printing; edition; version; page

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]