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| NOUN |
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| /treɪs/ |
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| 1 | C/U a slight sign that someone has been present or that something has happened 痕迹；踪迹；遗迹 |
| The intruders were careful not to leave any trace behind them. 闯入者很小心，避免留下任何蛛丝马迹。 |
| +of All traces of the damage had vanished. 所有破坏的痕迹都不见了。 |
| disappear/vanish without trace She was seen last week, then vanished without trace. 有人看到她离开房子，随后就消失得无影无踪了。 |
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| 2 | C a very small amount of a substance , especially when it is too small to see clearly or measure accurately 少量；（尤指难以看清或精确衡量的）微量 |
| +of Traces of blood were found in the bathroom. 浴室里发现了少量血迹。 |
| | 2a | a slight sign of an emotion 些许，一丝（某种感情） | | +of There was a trace of anxiety in her voice. 她的声音中带着一丝焦虑。 | |
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| 3 | C a process for finding the origin of something , for example who made a telephone call or what has caused a problem 跟踪；追查；追踪 |
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| 4 | C technical a pattern that a machine makes on a screen or piece of paper when it is recording an electrical signal （机器记录电信号时在屏幕或纸张上显示的）描记图，描记线 |
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