expatiated

基本解释

• v.详述；细说；漫游

同根派生

英汉例句

• His deep knowledge of the historical background enabled him to expatiate upon the significance of the movement.
  他对于历史背景的深刻了解使他能够详细阐述这场运动的意义。
• The chairman expatiated for two hours on his plans for the company.
  董事长用两小时阐述了公司的规划。