expound
过去式：expounded
过去分词：expounded
现在进行时：expounding
词形变化：
名词: expounder | 动词过去式: expounded | 动词过去分词: expounded | 动词现在分词: expounding | 动词第三人称单数: expounds |
词义辨析：
同义:
vt.解释; 澄清; 教授
explain
clarify
illuminate
demonstrate
teach
lecture
present
同义参见:
state
preach
annotate
discourse2