retrace

[ri'treis]

v.重描, 折回, 追溯

例句与用法：

I dropped my keys and had to retrace my steps for nearly a mile before I found them.

我把钥匙丢失了，结果只得顺原路折回，走了差不多一英里才找到。

The police retraced the movements of the murder victim.

警方追溯了被谋杀者当时的动作。

He often retraces the happy time during his young age.

他经常回忆起年轻时代的幸福时光。

词形变化：

形容词: retraceable | 名词: retracement | 动词过去式: retraced | 动词过去分词: retraced | 动词现在分词: retracing | 动词第三人称单数: retraces |

详细释义：

vt.

1. 举(步)折回, 折返

She retraced her steps to try to find her lost ring.

她顺原路返回, 试图寻找丢失的戒指。

2. 回忆, 回顾

3. 追溯, 探究……的源流