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]

网

wǎng net; network

堵

dǔ to stop up; (to feel) stifled or suffocated; wall; classifier for walls

平台

píng tái platform; terrace; flat-roofed building

维基百科

Wéi jī bǎi kē Wikipedia (online encyclopedia)

Wéi jī Bǎi kē Wikipedia (online encyclopedia)

打开

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

：bb77net