thin layer
英
美
- 薄层,薄膜层
双语例句
- A single seed is enclosed by a thin pericarp.
一个单独籽粒,外面裹有一薄层果皮。 - Thin layers of sandy shale, and carbonaceous fragments are locally present.
局部出现砂质页岩薄层和碳质碎屑。
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