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

bet9 网址

wǎng zhǐ website; web address; URL

多少

duō shao how much; how many; which (number); as much as

duō shǎo number; amount; somewhat

啊

a modal particle ending sentence, showing affirmation, approval, or consent

ā interjection of surprise; Ah!; Oh!

á interjection expressing doubt or requiring answer; Eh?; what?

ǎ interjection of surprise or doubt; Eh?; My!; what's up?

à interjection or grunt of agreement; uhm; Ah, OK; expression of recognition; Oh, it's you!

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]

nba788com ivx