promote our understanding of sth 促進(jìn)某事物的理解

broaden and horizons 拓寬視野

relax ourselves both physically and mentally 放松身心

nrich our life 豐富生活

-not only take part in the activities relax ourselves both physically and mentally,but also it is beneficial to broaden our horizons

提分點(diǎn)：not only but also 倒裝 毫無疑問

- 非限制性定語從句 which

高級詞匯 concering-about promate-improve

增加萬能副詞 undoubtedly 毫無疑問