AD缩写的意思

BAEE AAU HKUST ORC ME CLEP TA AJED MJ M.A.Ed DILS HE AIE MSME UofMELB UQ DT NJTV RA WD PTT OP AQ BEC ABC UC UD ALR XQ ADIDA TESOL ESP DNA M.I.E. CBC OT AD BL ROI AC NSA LA A-level WP B.RM CFR TFF AR PG ADELAIDE TWE B.Eng.Mgt B.Eng CTC MCAT AAS M.Ec. B.S.Ed SWJTU PE