retardingWiktionary 原文中文retard 的变形来自 ECDICTn.阻止，延迟vt.妨碍，延迟，使减速vi.减速，延迟释义（英文）动词 Verbpresent participle and gerund of retard名词 NounA slowing or hindrance.词族派生词（3）retardinglyunretardingretarding basin