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)

访问

fǎng wèn to visit; to call on; to interview; CL:次[ci4]

：bb77net jwb