nappe

汉语翻译

n. (圆锥曲面的)叶

详细解释：

nappe

n.（名词）
A sheet of water flowing over a dam or similar structure.
水幕：从坝顶或类似的构造物落下一层水
Geology A large sheetlike body of rock that has been moved far from its original position.
【地质学】 移动的岩石：被移于远离原先位置的巨大层状岩石
Mathematics Either of the two parts into which a cone is divided by the vertex.
【数学】 锥顶片：位于锥顶两边而形成一个锥体的两片中的一片

来源：
French [tablecloth, nappe]
法语 [桌布，帘]
from Old French [tablecloth]
源自 古法语 [桌布]
from Latin mappa [napkin] * see map
源自 拉丁语 mappa [餐巾] *参见 map