全球

quán qiú entire; total; global; the (whole) world; worldwide

最大

zuì dà biggest; largest; maximum

体育

tǐ yù sports; physical education

平台

píng tái platform; terrace; flat-roofed building

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

访问

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

：bb77net