单词
overburden
英 [əʊvə'bɜːd(ə)n]
基本信息
  • vt. 使负担过重;使过劳
  • n. 表土(等于burden,capping);过重的负担
TOEFL

英英释意

1. the surface soil that must be moved away to get at coal seams and mineral deposits
2. an excessive burden
overburden相关单词