defin.<口>挑战违抗defabbr.防御（=defense）abbr.延缓的（=deferred）abbr.定义（=definition）abbr.明确的（=definite）defocused system散焦系统defining surface界定面defatted yoghurt脱脂发酵乳defederalization国家资产出售<转让>给私营公司defueling nozzle放油嘴defamilarization陌生化definiting power清晰度defi-nite time有限间隔时间, 定时Defoliation rate刈割强度defatting enzyme脱脂酶