strata

/'streitә/ uk　

托福 TOEFL

strata 是什么意思

中文释义

pl. 层, 地层, 阶层

[医] 层

英文释义

n one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)

n people having the same social, economic, or educational status

n an abstract place usually conceived as having depth

「strata」是 stratum 的变形。

词形变化

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