| 释义 |
tracetrace1 /treɪs/ ●●○ AWL verb ETYMOLOGYtrace1Origin: 1200-1300 Old French tracier, from Vulgar Latin tractiare to pull VERB TABLEtrace |
| Present | I, you, we, they | trace | | he, she, it | traces | | Past | I, you, he, she, it, we, they | traced | | Present perfect | I, you, we, they | have traced | | he, she, it | has traced | | Past perfect | I, you, he, she, it, we, they | had traced | | Future | I, you, he, she, it, we, they | will trace | | Future perfect | I, you, he, she, it, we, they | will have traced |
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| Present | I | am tracing | | he, she, it | is tracing | | you, we, they | are tracing | | Past | I, he, she, it | was tracing | | you, we, they | were tracing | | Present perfect | I, you, we, they | have been tracing | | he, she, it | has been tracing | | Past perfect | I, you, he, she, it, we, they | had been tracing | | Future | I, you, he, she, it, we, they | will be tracing | | Future perfect | I, you, he, she, it, we, they | will have been tracing |
THESAURUSdiscover by searching/chance► find to see or get something, either by searching for it or by chance: I found a wallet in the parking lot. Have you found your plane ticket yet? ► discover to find something that was hidden or that people did not know about before: Some hikers discovered dinosaur bones near the river. ► locate to find the exact position of something: We couldn’t locate the source of the radio signal. ► detect to notice or discover something that is not easy to see, hear, etc.: The test can detect cancer at an early stage in the disease. ► uncover to discover something that has been kept secret or hidden: His daughter is trying to uncover the truth about his past. ► unearth to find out information or the truth about something that has been hidden for a long time: It was years before the full story was unearthed. ► track somebody/something down to find someone or something after searching in different places: Detectives finally tracked her down in California. ► trace to find someone or something that has disappeared: The police are trying to trace the person who left the baby at the hospital. ► turn something up informal to find something by searching for it thoroughly: The investigation hasn’t turned up any new evidence. ► stumble on/across (also come across) to find something by accident: Pye stumbled on the story when he was researching a book about New York in the early 1900s. picture► draw to make a picture of something with a pencil or pen: Amy loves to draw. ► sketch to draw something quickly and without a lot of detail: Students were sketching a model in the center of the room. ► doodle to draw shapes or patterns while you are thinking about something else: He was doodling in his notebook during the meeting. ► scribble to draw or make marks quickly in a messy way. Used especially about children: One of the kids had scribbled on the walls with a crayon. ► trace to copy a picture by putting a piece of thin paper over it and drawing the lines that you can see through the paper: Kara carefully traced one of the illustrations in the book. ► illustrate to draw or paint pictures to be printed in a book: She has illustrated several well-known children’s books. 1FIND somebody/something [transitive] to find someone or something that has disappeared by carefully searching: Police are trying to trace relatives of the dead man.► see thesaurus at find12ORIGINS a)[transitive usually passive] to find how, when, or where something started: The origins of the tradition are difficult to trace.trace something (back) to something She has traced her ancestry to Scotland. b)[intransitive] to have origins in a place, time, or action: trace (back) to something The trouble in the region traces back to the 15th century.3HISTORY/DEVELOPMENT [transitive] to study or describe the history, development, or progress of something: The book traces the dictator’s rise to power.4COPY [transitive] to copy a drawing, map, etc. by putting a piece of paper over it and then drawing the lines you can see through it: “Did you draw this yourself?” “No, I traced it.”► see thesaurus at draw15DRAW [transitive] to draw real or imaginary lines on the surface of something, usually with your finger or toe: trace something on/in/across something Jen traced her name in the sand.6TELEPHONE [transitive] to find out where a telephone call is coming from by using special electronic equipment: Keep him on the line so we can trace the call.[Origin: 1200–1300 Old French tracier, from Vulgar Latin tractiare to pull]—traceable adjective |