Join a hobby group.

参加一个兴趣小组。

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Join a sports team or a hobby group.

参加体育活动或是其他兴趣团体。

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A classmate of him is in the reading hobby group now.

他的一位同班同学现在在阅读兴趣小组。

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It could be a wedding, so guests can contribute their photos of the big day, or a public group devoted to pictures of your neighbourhood, your favourite hobby, or even objects (scooters, peeling paint, muscles...).

BBC: NEWS | UK | Magazine | I'll show you mine...

Two members of the group, who identified themselves only as "John" and "Liu, " told CNN in a phone interview that a core group of six people on three continents worked to unlock the iPhone as a hobby.

CNN: Code to unlock iPhone cracked

"I call it Homebrew Health, " says one angel investor, alluding to the Homebrew Computer Club of the 1970s, the group of electronic enthusiasts, including Steve Jobs and Steve Wozniak, whose technology hobby led to the birth of the personal computer.

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