adv.并列，并肩地；并排；不落后于；adj.并排的；并肩的； 双语释义：adv.(副词)并列,并排 side by side (with sb/sth) and facing the same way英英释义： abreast[ ə'brest ]adj.being up to particular standard or level especially in being up to date in knowledge"kept abreast of the latest developments"同