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overburden    音标拼音: ['ovɚb'ɚdən]
vt. 装载过多,负担过多,使过劳

装载过多,负担过多,使过劳

overburden
n 1: the surface soil that must be moved away to get at coal
seams and mineral deposits
2: an excessive burden [synonym: {overload}, {overburden}]
v 1: burden with too much work or responsibility
2: load with excessive weight

Overburden \O`ver*bur"den\, v. t.
To load with too great weight or too much care, etc. --Sir P.
Sidney.
[1913 Webster]


Overburden \O"ver*bur`den\, n.
The waste which overlies good stone in a quarry. --Raymond.
[1913 Webster]


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