单词：stratum
[医] 层
考试类型：[托福/GRE]
stratum的用法和样例：
例句
- They represent each society stratum.他们代表各个社会阶层。
- Such inequalities are found in every stratum.这类不公平的现象存在于社会的每一个阶层。
词汇搭配
- aqueous stratum蓄水层
- inverted stratum层倒转
- confining stratum不透水层,隔水层...
- interbedded stratum夹层
- surface stratum表层
- impervious stratum不渗透地层
- field stratum地面植被层
- watertight stratum土壤不透水层...
- permeable stratum透水层,透水岩层...
- stratum Malpighii马耳皮基(氏)层, ...
- privileged stratum特殊阶层
- subsurface stratum亚表层
- underlying stratum下伏岩层
经典引文
An archaeologist finds a stratum of earth and stones and mortar, mixed with potsherds and coins.
出自：R. G. Collingwood
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