科普

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

一

yī one; 1; single; a (article); as soon as; entire; whole; all; throughout; "one" radical in Chinese characters (Kangxi radical 1); also pr. [yao1] for greater clarity when spelling out numbers digit by digit

下棋

xià qí to play chess

牌

pái mahjong tile; playing card; game pieces; signboard; plate; tablet; medal; CL:片[pian4],個|个[ge4],塊|块[kuai4]

游戏

yóu xì game; CL:場|场[chang3]; to play

平台

píng tái platform; terrace; flat-roofed building

有

yǒu to have; there is; there are; to exist; to be

哪些

nǎ xiē which ones?; who?; what?

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]

官方

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

网址

wǎng zhǐ website; web address; URL

：vx66net