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retrace sth
sth 可以是历史、发展过程等抽象名词，表示“追溯、回顾”。
The documentary retraces the history of the railway.
这部纪录片追溯了这条铁路的历史。
追溯；折回；绕回
retracing — present participle of retrace
先理解核心含义，再看它在真实句子里的用法。
追溯；折回；绕回
to go back over again
The documentary retraces the history of the railway.
这部纪录片追溯了这条铁路的历史。
(绘图等)再次描摹(线条等)。
To trace (a line, etc. in drawing) again.
重新走过
to go back over again
折回,重走(原路),通常是为了重新探寻。
To go back over something, usually in an attempt at rediscovery.
在脑海中重新组合
reassemble mentally
retrace
Base
原形
retraces
3rd person
第三人称单数
retracing
-ing
现在分词
retraced
Past
过去式
retraced
Past participle
过去分词
She retraces her steps to find the lost earring.
她顺原路折回，寻找丢失的耳环。
We retraced the path through the woods after the storm.
风暴过后，我们沿着穿过树林的原路走回去。
They are retracing the route from yesterday's map.
他们正在顺着昨天地图上的路线往回走。
retrace 是规则动词；retrace one's steps 意为“原路折回”。过去式和过去分词均为 retraced。
We missed the turn, so we had to retrace our steps to find the right road.
我们错过了转弯处，所以不得不原路返回去找正确的路。
AI contextual example
She retraced her route through the park to see where she had dropped her keys.
她沿原路穿过公园，想看看钥匙掉在哪里。
AI contextual example
The hikers retraced their path back to the camp before dark.
徒步者在天黑前沿原路返回了营地。
AI contextual example
we retraced the route we took last summer
我们重走了去年夏天走过的路线
WordNet
sth 可以是历史、发展过程等抽象名词，表示“追溯、回顾”。
The documentary retraces the history of the railway.
这部纪录片追溯了这条铁路的历史。
one's 可按人称替换（my/her/his），强调按来时的路线走回去。
She retraced her steps to look for her ring.
她沿原路返回，寻找她的戒指。
Not this
I retraced my steps back to the parking lot.
Use this
I retraced my steps to the parking lot.
retrace + steps 已包含“沿原路返回”的意思，再加 back 造成语义重复；应去掉多余的 back。
Not this
The tradition retraces back to the Ming Dynasty.
Use this
The tradition traces back to the Ming Dynasty.
表示“追溯到某一时期/源头”用 trace back to；retrace 是及物动词，意为“重走、折回”，不能像 trace back to 那样作不及物短语表示起源。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
沿原路返回；折回原路
I realized I had dropped my keys, so I retraced my steps along the street.
我意识到钥匙掉了，于是沿街折回原路寻找。
重新走一遍路线；按原路重走
The hikers decided to retrace their route to the village.
徒步者们决定按原路返回村庄。
追溯过去
In her memoir, she retraces the past with remarkable honesty.
在她的回忆录中，她以惊人的坦诚追溯过去。
追溯历史
The documentary retraces the history of the railway line.
这部纪录片追溯了这条铁路线的历史。
回顾自己的思绪；回想
She closed her eyes and tried to retrace her thoughts to the moment of the accident.
她闭上眼睛，努力回想事故发生的那个瞬间。
原路返回；折回
I realized I had dropped my keys, so I retraced my steps along the path.
我意识到钥匙掉了，便沿着小路原路返回。
沿原路折返
When the fog rolled in, the climbers decided to retrace their tracks to the base camp.
起雾后，登山者们决定沿原路折返回大本营。
重走某人的足迹；回到原来经过的地方
She retraced her footsteps through the old neighborhood, remembering her childhood.
她重走旧街区的足迹，回忆起自己的童年。
Use retracing naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 re-（再次）和 trace（追踪）想成“再沿着脚印走一遍”，即折回、追溯。
语域：neutral 常见场景：寻路或找失物时、叙述旅行或行程时 retrace 这里指‘按原路折回/返回’，属于较中性的书面用词；口语中比较常见于 retrace one's steps 这类搭配，表示沿原路回去。正式场合也可用于‘重走某条路线’。通常不带有特别随意或特别正式的语气。
All these words rhyme with retrace /riˈtreɪs/, sharing the final /eɪs/ sound. Beware lookalikes that sound different: retreat /rɪˈtriːt/ and retrieve /rɪˈtriːv/ do not rhyme with retrace.
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.