round, fill out 释义: 动词 become round, plump, or shapely; "The young woman is fleshing out"
elaborate, lucubrate, expatiate, exposit, enlarge, expand, expound, dilate 释义: 动词 add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing; "She elaborated on the main ideas in her dissertation"
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