手机

shǒu jī cell phone; mobile phone; CL:部[bu4],支[zhi1]

购

gòu to buy; to purchase

彩

cǎi (bright) color; variety; applause; applaud; lottery prize

正规

zhèng guī regular; according to standards

app 下载

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

平台

píng tái platform; terrace; flat-roofed building

介绍

jiè shào to introduce (sb to sb); to give a presentation; to present (sb for a job etc); introduction

网址

wǎng zhǐ website; web address; URL

：bt55net