overburden
.әuvә'bә:dn
基本解释
vt. 装载过多, 负担过多, 使过劳
[经] 过重的货物, 重担, 过度的负担
英文释义
n. the surface soil that must be moved away to get at coal seams and mineral deposits
v. burden with too much work or responsibility
v. load with excessive weight
词形变化
上一个单词：overbunching
下一个单词：overburden stripping