re·tardverbpresent simple - I / you / we / theyretardBrE/rɪˈtɑːd/NAmE/rɪˈtɑːrd/present simple - he / she / itretardsBrE/rɪˈtɑːdz/NAmE/rɪˈtɑːrdz/past simpleretardedBrE/rɪˈtɑːdɪd/NAmE/rɪˈtɑːrdɪd/past participleretardedBrE/rɪˈtɑːdɪd/NAmE/rɪˈtɑːrdɪd/ -ing formretardingBrE/rɪˈtɑːdɪŋ/NAmE/rɪˈtɑːrdɪŋ/BrE/rɪˈtɑːd/NAmE/rɪˈtɑːrd/~sth(formal) tomakethedevelopmentorprogressofsthslower阻碍;减缓;使放慢速度SYNdelay, slow◆Theprogressionofthediseasecanberetardedbyearlysurgery. 早期手术可以抑制病情的发展。▸re·tard·ationBrE/ˌriːtɑːˈdeɪʃn/NAmE/ˌriːtɑːrˈdeɪʃn/noun[U]◆Manyfactorscanleadtogrowthretardationinunbornbabies. 许多因素可以导致胎儿发育迟缓。