相关的英语怎么说

相关的英语说法为：related。

来源：related 是英文单词 relation 的形容词形式，relation 源于拉丁文词语 relatio，其本意是指与某事物有关系的事物。

英文例句：

This book is related to the topic we discussed in class last week.
The two events are somehow related, but I can't quite figure out how.
Many people believe that there is a related link between diet and disease.