官方

guān fāng government; official (approved or issued by an authority)

版

bǎn a register; block of printing; edition; version; page

app 下载

xià zǎi to download; also pr. [xia4 zai4]

vx22net 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)