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

云

yún cloud; CL:朵[duo3]

yún (classical) to say

Yún surname Yun; abbr. for Yunnan Province 雲南省|云南省[Yun2 nan2 Sheng3]

顶

dǐng apex; crown of the head; top; roof; most; to carry on the head; to push to the top; to go against; to replace; to substitute; to be subjected to (an aerial bombing, hailstorm etc); (slang) to "bump" a forum thread to raise its profile; classifier for headwear, hats, veils etc

集团

jí tuán group; bloc; corporation; conglomerate

登录

dēng lù to register; to log in

游戏

yóu xì game; CL:場|场[chang3]; to play

app 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]

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