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N-SING
(指某一职业或要职的)责任，职责
If you take on the mantle of something such as a profession or an important job, you take on the responsibilities and duties which must be fulfilled by anyone who has this profession or job.
例句
Glasgow has broadened its appeal since taking on the mantle of European City of Culture in 1990...
自从1990年荣获“欧洲文化之都”的光荣称号以来，格拉斯哥的魅力大增。
She has the intellectual form to take up the mantle of leadership.
她具备担当领导职责的聪明才智。
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N-COUNT
覆盖物;幕;罩
A mantle of something is a layer of it covering a surface, for example a layer of snow on the ground.
例句
The parks and squares looked grim under a mantle of soot and ash.
在一层烟尘的笼罩之下，公园和广场显得阴沉沉的。
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N-COUNT
（旧时的）披风，斗篷
A mantle is a piece of clothing without sleeves that people used to wear over their other clothes in former times.