expand on

柯林斯词典

expand on (also expand upon) (expanding,expanded,expands)

• 1. PHRASAL VERB If you expand on or expand upon something, you give more information or details about it when you write or talk about it. 更充分讲述; 进一步论述

  The president used today's speech to expand on remarks he made last month. 总统利用今天的演讲进一步阐述了他上个月的讲话内容。

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