全国

quán guó whole nation; nationwide; countrywide; national

最大

zuì dà biggest; largest; maximum

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]

快

kuài rapid; quick; speed; rate; soon; almost; to make haste; clever; sharp (of knives or wits); forthright; plainspoken; gratified; pleased; pleasant

3 平台

píng tái platform; terrace; flat-roofed building

打开

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

：bb999net 手

shǒu hand; (formal) to hold; person engaged in certain types of work; person skilled in certain types of work; personal(ly); convenient; classifier for skill; CL:雙|双[shuang1],隻|只[zhi1]

输

shū to lose; to transport; to donate; to enter (a password)