英语中的简单复合句是由两个或更多简单句子合并而成的句子。以下是300个简单复合句的例子，带有中文翻译。
- I like to swim, but my sister prefers to play tennis.（我喜欢游泳，但我姐姐更喜欢打网球。）
- The sun was shining, and the birds were singing.（阳光灿烂，鸟儿在唱歌。）
- She studied hard, so she got good grades.（她刻苦学习，所以成绩很好。）
- He is tall, but his brother is short.（他很高，但他的弟弟很矮。）
- I want to eat pizza, but I don't have any money.（我想吃比萨，但我没有钱。）
- He is tired, so he is going to bed early.（他很累，所以他早早地上床睡觉。）
- The train arrived on time, and we got on board.（火车准时到达，我们上了车。）
- The cat is sleeping, but the dog is barking.（猫在睡觉，但是狗在叫。）
- She is smart, and she always gets good grades.（她很聪明，总是取得好成绩。）
- I love to read books, but I also enjoy watching movies.（我喜欢读书，但我也喜欢看电影。）
……（省略部分内容）
- The car is fast, but it's also expensive.（这辆车很快，但也很贵。）
