hobbyist的复数形式怎么写

hobbyist的音标：hobbyist的英式发音音标为：['hɒbiɪst]hobbyist的美式发音音标为：['hɑbiɪst]...

Often you can pick up a lot of information and valuable advice from a fellow hobbyist.你可以经常从你的业余爱好者的伙伴那里得到许多信息和定贵的建议.Similarly, the numerous business concerns catering to the hobbyist have a tremendous but unknown dollar...

n.沉溺于某种癖好者，嗜某爱好成癖的人...