vt.\n扩大，扩展，伸张：\nThe medicine dilated the blood vessels.\n药物扩张了血管。\nGas dilates the balloon.\n气体使气球膨胀。\n[古语]详述，细说：\nto dilate a subject\n详细论述一题目\nvi.\n膨胀；扩张，扩大：\nThe cat's eyes dilated in the darkness.\n在黑暗中猫眼睁大了。\nThe balloon will dilate with air.\n气球充气将会膨胀。\n(说话、写作)详述，细说，铺叙(与on，upon连用)：\nIf there were time,I could dilate upon this subject.\n假如有时间我可详细论述一下这个问题。\n近义词:\nexpand\n变形：\nvt.\ndilated\n. dilating

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