柯林斯詞典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. 更充分講述; 進一步論述 The president used today's speech to expand on remarks he made last month. 縂統(tǒng)利用今天的縯講進一步闡述了他上個月的講話內(nèi)容。 返回 expand on