【阶梯文本】

teach
教
needs teaching
需要教
child needs teaching
孩子要教
the aptest child needs teaching
最伶俐的孩子要教
The best horse needs breeding, and the aptest child needs teaching.
最好的马要驯，最伶俐的孩子要教。
【单词解析】
apt：聪明的、灵巧的；实用短语：an apt child 一个聪明的小孩；实用例句：This boy is apt to learn.这男孩善于学习。