打开

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

：bb999net 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

线上

xiàn shàng online

app 投注

tóu zhù to throw one's energies (into an activity); to invest one's emotions (in sth); to bet; betting

官

guān government official; governmental; official; public; organ of the body; CL:個|个[ge4]

Guān surname Guan

网

wǎng net; network

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]