stratum
★☆☆☆☆
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.
One of several parallel horizontal layers of material arranged one on top of another.
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2.
A layer of sedimentary rock having approximately the same composition throughout.
地质 -
3.
Any of the regions of the atmosphere, such as the stratosphere, that occur as layers.
-
4.
A layer of tissue.
生物 -
5.
A class of society composed of people with similar social, cultural, or economic status.
-
6.
A layer of vegetation, usually of similar height.
生物 -
7.
The level of accuracy of a computer's clock, relative to others on the network.
计算机 工程 数学 -
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