strengthenern.助力器;坚固者
strengthenv.加强;变坚固
strengthen compaction强化压实
strengthened ceramics增韧陶瓷
Strengthened immunity强化免疫
Strengthen Regulation加强规制
strengthening plaster[医] 铁硬膏
strengthen discipline加强纪律
strengthening stratum加固地层
strengthen a tendency强化一种倾向
strengthen leadership加强领导
strengthen the spleen健脾