tract是什么意思 tract在线翻译 tract什么意思 tract的意思 tract的翻译 tract的解释 tract的发音 tract的同义词 tract的反义词 tract的例句

1. He had an infection in the upper respiratory tract.
    他上呼吸道感染。

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2. He wrote all the campaign tracts.
    这些竞选传单全是他写的。

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3. He owns a large tract of forest.
    他拥有一大片森林。

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4. To the north of the river is an immense wooded tract.
    河北面是一大片林地。

1. tract什么意思

1. 束：以上数沟将脊髓每侧分成三份,称为索(column),即上行及下行的纤维束(fasciculus)或称传导束(tract)所组成的白质. 前正中裂与前外侧沟之间称为前索(即腹索前、后二外侧沟之间称为外侧索;后外侧沟与后正中沟之间称为后索(即背索).

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2. 地带：汉密尔顿将西方与原苏联的经济地域分级作了比较,划分出了六级经济区(economic reglon)地域生产综合体,地带(tract),带(zone),区位(1ocation)和地点(site),其中,前两个概念是从原苏联直接搬到西方的,后四个名词是在翻译中修改调整后介绍到西方的.

3. tract

3. 神经束：虚无缥缈的意识,亦襄括一种高度专注的, 主动的全神贯注.贯穿所有这些状态的范围以觉醒系统(arousal system)为中介,而所谓觉醒系统,是指由神经束(tract) 构成的一个网线路结构,

1. (土地等的)大片
    A tract of land is a very large area of land.

    e.g. A vast tract of land is ready for development...
           一大片广阔的土地可待开发。
    e.g. 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. (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.

    e.g. 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. 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.

    e.g. Foods are broken down in the digestive tract...
           食物在消化道里分解。
    e.g. A cold is an infection of the upper respiratory tract.
           感冒是上呼吸道的感染。

1. a bundle of myelinated nerve fibers following a path through the brain

    Synonym: nerve pathwaynerve tractpathway

2. a system of body parts that together serve some particular purpose

3. a brief treatise on a subject of interest
    published in the form of a booklet

    Synonym: pamphlet

4. an extended area of land

    Synonym: piece of landpiece of groundparcel of landparcel