在线 | zài xiàn | online |
官方 | guān fāng | government; official (approved or issued by an authority) |
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 |