overburden
英 [ˌəʊvəˈbɜ:dn] 美 [ˌoʊvərˈbɜrdn]

vt.

装载过多，负担过多，使过劳；

n.

过重的负担；

变形

过去式：overburdened过去分词：overburdened现在分词：overburdening第三人称单数：overburdens

英英释义

overburden[ ,əuvə'bə:dən, 'əuvə,bə:dən ]

• n.
  • the surface soil that must be moved away to get at coal seams and mineral deposits
  • an excessive burden

    同义词：overload

• v.
  • burden with too much work or responsibility
  • load with excessive weight

词组短语

overburden pressure积土压力；覆盖地层压力；表土层压；地静压力

双语例句

用作动词(v.)

1. 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。
2. 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。
3. 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。

权威例句

Non-ferromagnetic overburden casing
Method to Distinguish Key Strata in Overburden
Factors Affecting Contractors' Risk of Cost Overburden
Theory of Gravity Instability with Variable Overburden and Compaction
Leaching of mobile forms of metals in overburden: development and application
Virtual Source: New Method For Imaging And 4D Below Complex Overburden
Method for prudent penetration of a casing through sensible overburden or sensible structures
Shallow seismic reflection mapping of the overburden-bedrock interface with the engineering seismograph---Some simple techniques
Modelling the effect of chemical heterogeneity on acidification and solute leaching in overburden mine spoils
Nanoscale metals in Earthgas and mobile forms of metals in overburden in wide-spaced regional exploration for giant deposits in over...