Level 6 · word 12,789 of 20,000

extensively

/ɪkˈstensɪvli/ American
  • adv. 广泛地, 大规模地
Definition
  • adv. over a large area, or to a great degree
Example
The doctor studied the disease extensively before writing her report.
这位医生在撰写报告之前对这种疾病做了广泛的研究。