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

波

bō wave; ripple; storm; surge

Bō Poland; Polish; abbr. for 波蘭|波兰[Bo1 lan2]

胆

dǎn gall bladder; courage; guts; gall; inner container (e.g. bladder of a football, inner container of a thermos)

平台

píng tái platform; terrace; flat-roofed building

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]

dze