expand on
柯林斯词典
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。
返回 expand on