a boy of ten

• 十岁的男孩

a boy of ten的用法和样例：

例句

1. The hero of the novel is a ten-year old boy.
   这部小说的主人公是个十岁的男孩。
2. This heavy box cannot be lifted by a ten-year-old boy.
   十岁的男孩举不动这只沉重的箱子。