naive quark model

例句：

1. 1. The child was so naive that he believed in fairies.
   这个孩子太天真了，他相信有精灵。
2. 2. The scientist's naive assumptions led to a misunderstanding.
   科学家的天真假设导致了误解。
3. 3. The young artist's naive paintings were quite charming.
   这位年轻艺术家的幼稚画作相当迷人。