adj.有背的，有财力支持的；v.（使）后退， （使）倒退( back的过去式和过去分词 )；支持；作…的衬里；（用证据或理论来）证实（一种理论或主张） 英英释义： backed[ bækt ]adj.having a back or backing, usually of a specified typehaving backing"a claim backed up by strong evidence"同义词：backed upused of film that is coated on the s