苹果

píng guǒ apple; CL:個|个[ge4],顆|颗[ke1]

企业

qǐ yè company; firm; enterprise; corporation; CL:家[jia1]

签名

qiān míng to sign (one's name with a pen etc); to autograph; signature

源头

yuán tóu source; fountainhead

安卓

Ān zhuó Android (operating system for mobile devices)

加固

jiā gù to reinforce (a structure); to strengthen

wangcaimdmxlo