正规

zhèng guī regular; according to standards

买

mǎi to buy; to purchase

球

qiú ball; sphere; globe; CL:個|个[ge4]; ball game; match; CL:場|场[chang3]

app 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

：bb999net vov