For those who want to get into shape, rock climbing is a fun and effective way.

对于那些想强健身体的人来说，攀岩是一种有趣又有效的方式。

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There are many advantages to rock climbing—it is fun and it also helps people forget their worries.

攀岩有很多好处——它很有趣，还能让人们忘记烦恼。

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Rock can be used to describe something that is fun or wonderful.

Rock还可以用来形容某件事很有趣或很棒。

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There's a chance that fans looking for more fun, electro-rock singles from MGMT won't find what they're looking for in the band's sophomore release.

NPR: First Listen: MGMT's 'Congratulations'

Joining the Obama campaign is the alternative rock band fun.

WSJ: Punctuation Nerds Stopped

As long as it keeps getting passed on in rock songs this fun and familiar, that bond will never fade.

NPR: Visqueen: A Ferocious Song Of Devotion