我参加活动的主要目的是为了提高自身的英语水平和学习美国的文化的翻译：Participate in the activity's primary purpose is to improve their English and learn United States culture 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

The main purpose is to participate in activities to improve their English and learn American culture

Participate in the activity's primary purpose is to improve their English and learn United States culture

正在翻译，请等待...

Participated in the activities of the main purpose is to improve their English language proficiency and learning culture in the United States

Participate in the activity's primary purpose is to improve their English and learn United States culture