conjunctive adverb

conjunctive-adverb的词性：
n.Grammar （名词）【语法】

1. A function word that connects two sentences and provides adverbial emphasis, as therefore in This intersection is dangerous; therefore motorists should approach it slowly.
连接副词：连接两个句子并起副词作用的单词，例如在句子这个叉口很危险，因此车手们应该慢慢行驶 中的 因此