precocious
🇺🇸
/prɪˈkəʊʃəs/
🇬🇧
/prɪˈkəʊʃəs/
being more advanced or skilled at a young age than is usual
The child's ability to read and write at such a young age is considered precocious.
這個孩子在這麼小的年齡就能讀寫,被認為是早熟的。