the semantic relation that holds between two words that can (in a given context) express the same meaning
例句
用作名词(n.)
Because of the synonymity of two kinds of languages, it makes possible for translating two languages and exchanging the characters' form to keep the true meaning.摘要由于两种语言形式的同义性使得保全真理的相互替换性有了可能，由此翻译才得以实施。
