retard /nrta: d; ri'tard/ vt [VP6A] check; hinder: 阻止; 妨疑： ~ progress/development; MK 進(jìn)步 (發(fā)展); a mentally ~ed child, one whose mental or emotional development has been checked. 一個(gè)在智能或情緖方面有障礙的孩子。 re-tar-dation /,ri: ta: -'deifn; /ritar'defan/ n