打开

dǎ kāi to open; to show (a ticket); to turn on; to switch on

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tuī jiàn to recommend; recommendation

几个

jǐ ge a few; several; how many

足

zú foot; to be sufficient; ample

jù excessive

彩

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

外围

wài wéi surrounding

app 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