ac99·net jdb 电子

diàn zǐ electronic; electron (particle physics)

手机

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

注册

zhù cè to register; to enroll

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