在学习英语语法时，我们经常会接触到转折连接词和逻辑连接词，这两种连接词在句子中起到了不同的作用。
转折连接词
转折连接词用于连接两个相反或者矛盾的意思，表示前后两个句子之间的转折关系。常见的转折连接词有but, yet, however, although等等。
例如：
- I wanted to go to the party, but I was too tired.
- He is very intelligent, yet he is not successful.
- However hard I try, I can't seem to understand this concept.
- Although it was raining, we still went for a walk.
逻辑连接词
逻辑连接词用于连接两个相似或者相关的意思，表示前后两个句子之间的逻辑关系。常见的逻辑连接词有and, or, also, furthermore等等。
例如：
- I like to cook and bake.
- You can have cake or ice cream for dessert.
- She is very smart, also she is very kind.
- Furthermore, I would like to add that we need to work harder to achieve our goals.
总之，转折连接词和逻辑连接词在英语语法中扮演了不同的角色，理解它们的用法和区别对于我们的英语学习非常重要。
