mantle
noun uk/ˈmæn.təl/ us/ˈmæn.təl/
(RESPONSIBILITY)
[ S ] formal（尤指前任留给继任者的）责任，衣钵
the responsibilities of an important position or job, especially as given from the person who had the job to the person who replaces them
She unsuccessfully attempted to assume the mantle of the presidency. 她想接任总统，但未成功。
He has been asked to take on the mantle of managing director in the New York office. 他被邀请出任纽约办事处总经理之职。
(LAYER)
[ C ] literary覆盖层
a layer of something that covers a surface
A thick mantle of snow lay on the ground. 地上积着一层厚厚的雪。
We watched the building vanish under a mantle of thick smoke as the fire swiftly moved through it. 大火迅速蔓延，我们看到大楼被滚滚浓烟吞噬。
[ C ] geology specialized地幔
the part of the earth that surrounds the central core
[ C ]（旧时的）披风，斗篷
in the past, a piece of clothing without sleeves that was worn over other clothes