indef缩写的意思

ACD cm SQ3R NL NAETI ET CY sl IR LP adv. CATTI whf. BL vt ME FLPT [VP] ult. AFL whsle. sth OET SDI abbr. KK Para Z A-OK P.R.B.S. BB DC gotta ppl FPS ven. eve XIX int PDD rip gonna usu var. KF vi gm AV GEPT ENG Vul. LSA PP CET-4 veh. prep ADV veter. ab OMG