查词历史：
- tract
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A vast tract of land is ready for development...
一大片广阔的土地可待开发。
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They cleared large tracts of forest for farming, logging and ranching.
他们清除了大片的森林以经营农耕、采伐与畜牧。
2.
N-COUNT
(宗教、道德或政治的)短文 A tract is a short article expressing a strong opinion on a religious, moral, or political subject in order to try to influence people's attitudes.
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She produced a feminist tract, 'Comments on Birth-Control', in 1930.
她 1930 年写了篇女性主义的短文《论节育》。
3.
N-COUNT
道;束 A tract is a system of organs and tubes in an animal's or person's body that has a particular function, especially the function of processing a substance in the body.
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Foods are broken down in the digestive tract...
食物在消化道里分解。
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A cold is an infection of the upper respiratory tract.
感冒是上呼吸道的感染。
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...urinary tract infections.
尿路感染
- Noun
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1. an extended area of land
- synonym： piece of land，piece of ground，parcel of land，parcel
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2. a system of body parts that together serve some particular purpose
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3. a brief treatise on a subject of interest; published in the form of a booklet
- synonym： pamphlet
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4. a bundle of mylenated nerve fibers following a path through the brain
- synonym： nerve pathway，nerve tract，pathway
体育
- 1.纤维束
动物学
<名>
- 1.神经束
- 2.又称 :神经束(fasciculus )
医学
- 1.①束：主要指有一定长度的区域，特别是起源、功能和终止皆同的神经纤维的集合，即神经束；②道：担负某一共同机能的若干脏器的有序组合，如呼吸道，泌尿道
生物学
<名>
- 1.壳体
- 1. He's suffering from an acute infection of the lower respiratory tract.
- 他患有急性下呼吸道感染。
来自《简明英汉词典》
- 2. In the past nothing could grow on this tract of land.
- 过去这块地不立苗。
来自《现代汉英综合大词典》
- 3. They have lifted water from the Yellow River onto the high land and reaped a good cotton harvest on a 300-acre tract.
- 他们把黄河水引上高原，使300公亩棉田获得丰收。
来自《简明英汉词典》
