stratum
🇬🇧/ˈstrɑːtəm/ 🇺🇸/ˈstreɪtəm; ˈstrætəm/📚 12236 1托福A stratum of society is a group of people in it who are similar in their education, income, or social status. 社会阶层
noun [抽象名词]（组织的）层；[地质] 地层；社会阶层
It was an enormous task that affected every stratum of society.
这是一项影响到社会各阶层的重大任务。
strat (层次) + um → 层
单词造句:
- 网友用“Stratum”造句精选
- Tramps are from the lowest stratum of society. 流浪汉来自社会最下层。
- Mossy fibres terminate in the stratum lucidum of area CA3. 苔藓纤维终止于 CA3 区透明层。