详细解释:vi. 详述, 细说, 漫游
词型变化：
名词:expatiation动词过去式:expatiated过去分词:expatiated现在分词:expatiating第三人称单数:expatiates英语解释：
动词 expatiate:
add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing同义词：elaborate, lucubrate, exposit, enlarge, flesh out, expand, expound, dilate