trace

trace

[treis]

n.痕迹, 微量, 踪迹
v.追踪, 描绘, 找出根源

例句与用法：

The cause of the fire was traced to a faulty fuse-box.

起火的原因已查出是因保险丝盒中有短路。

He traced his signature laboriously.

他吃力地签上自己的名字。

He traces his descent back to an old norman family.

他追踪自己的世系上溯至一个古老的诺曼家族。

Her fear of water can be traced back to a childhood accident.

她很怕水，起因可归於儿时的一次事故。

Did the police find any trace of the murderer?

警方找到凶手的行踪了吗？

I can't trace that letter you sent me.

我找不到你寄给我的那封信。

The family can trace its history to the 17th century.

这个家族的历史可以追溯到十七世纪。

词形变化：

形容词: traceable | 副词: traceably | 名词: traceability | 动词过去式: traced | 动词过去分词: traced | 动词现在分词: tracing | 动词第三人称单数: traces |

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n.

1. 痕迹; 遗迹[C][U]

The archaeologists found some traces of an ancient civilization in that area.

考古学家们在那个地区发现了一些古代文明的遗迹。

2. 丝毫, 微量[C]

There was barely a trace of salt in the soup.

汤里简直一点盐也没有放。

He always spoke with a trace of sarcasm.

他说话总带着一丝讽刺。

3. (记录仪器上存留的)图形, 记录[C]

vt.

1. 跟踪; 追踪[(+to)]

The police traced the criminal.

警察追踪罪犯。

2. 查出, 探出

The post office tried to trace the lost letter.

邮局设法查出那封丢失的信。

3. 追溯; 查考[(+back/to)]

The book traces the development of philosophy.

该书追溯了哲学的发展过程。

4. 描绘; 勾出……的轮廓[(+out)]

5. (费力, 细心地)写(字)

6. 描摹, 摹写; 复写

The kids are learning to trace the letter.

孩子们学描字母。

vi.

1. 沿着路走

2. 上溯[(+to)]

His fear of snakes traces back to an experience in his childhood.

他对蛇的惧怕溯自他孩童时的一次经历。

n.

挽绳, 缰绳

kick over the traces

摆脱控制; 不顺从

短语词组：

trace back

1. 追溯

Her family can trace its history back to the 15th century.

她的家史可追溯到15世纪。