stratum

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n. 层, 地层, 阶层 [医] 层

发音

UK /ˈstɹɑː.təm/
其它
UK /ˈstɹeɪ.təm/
其它
US /ˈstɹeɪ.təm/
US /ˈstɹeɪ.ɾəm/
US /ˈstɹæt.əm/
US /ˈstɹæɾ.əm/
AU /ˈstɹaː.təm/

词形变化

strata 复数 strata stratums stratums 复数

别名

strata

释义与例句

n.
  1. 1.

    One of several parallel horizontal layers of material arranged one on top of another.

  2. 2.

    A layer of sedimentary rock having approximately the same composition throughout.

    地质
  3. 3.

    Any of the regions of the atmosphere, such as the stratosphere, that occur as layers.

  4. 4.

    A layer of tissue.

    生物
  5. 5.

    A class of society composed of people with similar social, cultural, or economic status.

  6. 6.

    A layer of vegetation, usually of similar height.

    生物
  7. 7.

    The level of accuracy of a computer's clock, relative to others on the network.

    计算机 工程 数学
  8. 8.

    A historical layer of a language.

    语言学

词汇关系

相关短语

词源

Borrowed from Latin strātum (“a spread for a bed, coverlet, quilt, blanket; a pillow, bolster; a bed”), neuter singular of strātus, perfect passive participle of sternō (“spread”). Doublet of estrade.

来源:wiktionary