解释成语 时间：2026-01-26 00:10:00 浏览：873次 天渊之别tiānyuānzhībié[as far as heaven from the abyss of the ocean;as far apart as the land and sky] 比喻高、下相差甚远,区别甚大鼎力相助dǐnglì[your kind help;your kind efforts] 敬辞,大力(帮助)(表示请托或感谢时用) 标签：成语,解释
