1
retardation of sth
of 后接被拖延或受阻的事物，多用于正式或技术语境。
The new policy caused a retardation of economic growth.
新政策导致了经济增长放缓。
延迟；阻碍；妨碍
先理解核心含义，再看它在真实句子里的用法。
延迟；阻碍；妨碍
the extent to which something is delayed or held back
The new policy caused a retardation of economic growth.
新政策导致了经济增长放缓。
延迟的行为；阻碍；妨碍。
The act of retarding or delaying; hindrance.
延迟的程度；延迟的结果；智力、社交或身体上的迟缓。
The extent to which anything is retarded; the result of any retarding or delay; mental, social, or physical slowness.
使延迟的事物；障碍物；阻碍物。
That which retards; an obstacle; an obstruction.
减速；速度大小的减小。
Deceleration; reduction in the magnitude of velocity.
The unexpected snowstorm caused a retardation of air travel for most of the day.
突如其来的暴风雪使当天大部分时间的航空旅行都受到了延误。
A shortage of raw materials led to a retardation of the factory's production.
原材料短缺导致工厂的生产受到了阻碍。
The doctor explained that the retardation of the wound's healing might be due to the infection.
医生解释说，伤口愈合缓慢可能是因为感染。
of 后接被拖延或受阻的事物，多用于正式或技术语境。
The new policy caused a retardation of economic growth.
新政策导致了经济增长放缓。
in 后接具体发展领域；表示智力发育迟缓的旧称 mental retardation 已不常用。
Early diagnosis can help children with retardation in language development.
早期诊断可以帮助语言发育迟缓的儿童。
Not this
The heavy rain retardation the match.
Use this
The heavy rain caused retardation of the match.
retardation 是名词，意为“延迟、阻碍”，不能直接作谓语动词。表示“使…延迟”应用动词 retard；若保留名词，需用 cause retardation of。错误句把 retardation 当动词用，故须改为 caused retardation of。
Not this
The accident left him a retardation.
Use this
The accident left him with mental retardation.
在“智力发育迟缓”这一义项中，retardation 是抽象不可数名词，指状态而不指人；错误句把 a retardation 误解为“一个智力低下的人”。正确表达是用 with mental retardation 表示“患有智力发育迟缓”，不能说 a retardation 或 be a retardation。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
智力发育迟缓；智力障碍
Mental retardation is characterized by significant limitations in intellectual functioning.
智力发育迟缓的特点是智力功能存在显著限制。
生长迟缓；发育受阻
Intrauterine growth retardation can lead to low birth weight.
宫内生长迟缓可能导致低出生体重。
精神运动性迟滞
Psychomotor retardation is often observed in patients with major depression.
重度抑郁症患者常出现精神运动性迟滞。
发育迟缓；发展阻滞
Early intervention can help children with developmental retardation.
早期干预可以帮助发育迟缓的儿童。
Use retardation naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 retardation 想成 re（一再）+ tard（慢/迟）+ ation：一再被拖慢、卡住，就是“迟延、阻碍”；也指智力发育迟缓。
语域：formal 常见场景：academic writing、technical reports、formal documents retardation 是正式用语，多用于学术或技术性书面语，表示“延迟、阻碍”。在日常口语中较少见，表达相近意思时通常改用 delay 等更常用的词。
这些词都以 -ation 结尾，读作 /eɪʃən/，与 retardation 的结尾押韵。注意：retard /rɪˈtɑːrd/ 和 retarded /rɪˈtɑːrdɪd/ 拼写相近，但读音不同，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.