the surface soil that must be moved away to get at coal seams and mineral deposits
an excessive burden
Verb:
burden with too much work or responsibility
load with excessive weight
双语例句
1. Overburden had concealed the radioactivity.
覆盖层屏蔽掉了放射性.
来自辞典例句
2. Soil survey should be adopted in such soil overburden areas.
在此类土壤覆盖区应采用土壤测量.
来自互联网
3. Overburden pressure for three hundred years , isolated the light of day.
覆压三百余里, 隔离天日.
来自互联网
4. The overburden strata movement is a complicated time and space process.
上覆岩层的运动是一个复杂的时空过程.
来自互联网
5. Microbial oxidation of ores, tailings, and overburden contribute s to ARD.
微生物氧化的矿石 、 料和覆盖岩层会产生酸性岩排水.
来自互联网
用作动词 (v.)
The education system rather than the teachers is to answer for overburden on the students . 使学生负担过重的是教育体系而不是老师。
Because of the overburden of our commitments, we are unable to ship your order within the agreed period. 由于我方订货负担过重，无法在协议期限内交货。
Language teachers should be aware of the priority in vocabulary instruction and had better not overburden students' memory. 首先词汇教学的内容要重点突出，循序渐进，不能使短时记忆超负荷。
