noun [专属名词]层；[地质]地层；阶层
Contained within the rock strata is evidence that the region was intensely dry 15,000 years ago. 岩层中的证据表明该地区在15,000 年前曾经非常干旱。
- strata 出现在下面的课文中
- Lesson 13 The search for oil strata 名词: 岩层[复]([单]stratum或strata [误用])
单词造句:
Contained within the rock strata is evidence that the region was intensely dry 15,000 years ago. 岩层中的证据表明该地区在15,000 年前曾经非常干旱。