trace 的用法和发音

顾老师英语课堂

trace

/treɪs/
动词 名词

基本释义:追踪;痕迹;微量

词源:源自古法语"tracer",意为"追踪"

📚 核心含义

动词含义

追踪;追溯;描绘

Trace the outline of the map.
描绘地图的轮廓。
动作

名词含义

痕迹;踪迹;微量

There was no trace of the missing child.
失踪的孩子没有任何踪迹
状态

化学含义

微量;痕量

Trace elements are essential for health.
微量元素对健康至关重要。
专业术语

"trace"是一个多义词,既可以表示物理痕迹,也可以表示抽象概念中的微量或追踪行为。具体含义需根据上下文判断。

🔄 用法对比

英语例句

The police are trying to trace the suspect.

There's a trace of sadness in her voice.

This device can detect trace amounts of chemicals.

中文翻译

警方正在试图追踪嫌疑人。

她的声音中有一丝悲伤

这个设备可以检测微量化学物质。

🔊 发音指南

英式发音

/treɪs/

特-瑞-斯(长音"瑞")

美式发音

/treɪs/

特-瑞-斯(长音"瑞")

发音要点:

常见发音错误

  • 读成"特-拉-斯"(应为/treɪs/)
  • 将"a"发成短音/æ/
  • 忽略"r"的发音

🎯 常见搭配

trace back

追溯;回溯

trace back to ancient times
追溯到古代
时间关系

trace element

微量元素

essential trace elements
必需微量元素
化学术语

leave a trace

留下痕迹

The thief left no trace.
小偷没有留下任何痕迹
物理痕迹

语法注意

动词形式: trace, traced, tracing
名词复数: traces

⚠️ 易混淆点

不要混淆:

Trace means a large amount. (错误)

正确:Trace means a very small amount.

Trace and track are completely same. (错误)

正确:Trace emphasizes following evidence, while track emphasizes following movement.

✍️ 随堂练习

翻译练习

1. The detective is trying to trace the source of the call.
2. There were traces of blood at the scene.
3. Zinc is an important trace element for plants.

1. 侦探正在试图追踪电话的来源。

2. 现场有血迹

3. 锌是植物重要的微量元素

发音练习

跟读以下句子:

• The trace led to a dead end. [treɪs]
• No trace of the virus was found. [treɪs]
• Can you trace your family history? [treɪs]

改错练习

找出并改正错误:

1. Trace means a huge quantity.
2. 读作[træs]
3. The trace elements are unimportant.

1. Trace means a very small amount.

2. 读作[treɪs](长音/eɪ/)

3. The trace elements are essential.