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| NOUN |
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| /trækt/ |
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| 1 | a large area of land 大片（土地） |
| Vast tracts of land were being planted with these trees. 大片大片的土地种上了这类树木。 |
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| 2 | medical a group of organs and tubes that work together in your body （体内的）系统，道，束 |
| the digestive/respiratory tract 消化/呼吸道 |
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| 3 | a piece of writing expressing a strong belief , usually about religion or politics （通常指宣扬宗教或政治信仰的）文章，短文 |
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