hobby是可数名词，复数形式是 hobbies
hobby
美 /ˈhɑːbi/
英 /ˈhɒbi/
n.
嗜好；业余爱好
双语例句：
My mother's hobby is playing the piano.
我妈妈的业余爱好是弹钢琴。
This hobby is catching dragonflies.
这只小鹰正在捕捉蜻蜓。
After communication, I found that I had the same hobby as him.
经过交流，我发现我跟他竟然有相同的爱好。
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