英['riːtɑːd]美['riːtɑːrd]
记忆方法
词源记忆法
re-，向后，往回，-tard，缓慢，词源同tardy.引申词义延缓，阻碍。
verb(动词)noun(名词)
双解例句
verb(动词)noun(名词)
小知识
To retard something is to slow it down. A lack of fresh fruit and vegetables can retard the growth of a young child.
This word should be used with a lot of caution. Using this word to describe a person is considered offensive and should be avoided. It is often a harmless word when used as a verb. While skiing, a heavy, bulky jacket could retard your progress down the mountain. Keeping a plant out of sunlight would retard its growth.
实用短语
单词用法
词根词缀
词根 tard= slow 慢 retard v. 延迟；妨碍 re 一再 + tard 慢 → 一慢再慢 → 延迟 retardant n. 延迟剂 retard 延迟；妨碍 + ant 表名词 → 延迟剂 retardant adj. 使延迟的 tardigrade adj. 行动缓慢的 tardi〔= tard〕慢 + grad 步 + e → 步履迟缓 → 行动缓慢的 tardiness n. 拖拉 tardi〔= tard〕慢 + ness 性质，状态 → 拖拉 tardive adj. （疾病）延迟发作的 tard 慢 + ive 有…性质的 → 发病速度慢 → 延迟发作的 tardy adj. 缓慢的 tard 慢 + y 多…的，有…的 → 缓慢的
词根词缀
词根: tard
=slow,表示”慢”
adj.
tardigrade 缓慢的, [动]缓步类的tardi=tardy[adj.缓慢的,迟缓的]+grade步伐→步伐缓慢
tardy 缓慢的,迟缓的tard慢+y……的→adj.缓慢的,迟缓的
n.
tardigrade [动]缓步类动物, 节肢动物tardi=tardy[adj.缓慢的,迟缓的]+grade步伐→步伐缓慢
tardiness 缓慢tardi=tardy[adj.缓慢的,迟缓的]+ness表名词→n.缓慢
v.
retard 延迟,放慢re一再+tard慢→一再慢下来→缓慢
同义词
反义词
vt. & vi.使减速;妨碍
其他释义