overburdens的翻译，读音
英/ˌəuvəˈbə:dnz/
释义：
v. 装载过多, 负担过多, 使过劳( overburden的第三人称单数 )
n the surface soil that must be moved away to get at coal seams and mineral deposits
n an excessive burden
v burden with too much work or responsibility
v load with excessive weight
n the surface soil that must be moved away to get at coal seams and mineral deposits
n an excessive burden
v burden with too much work or responsibility
v load with excessive weight