PREFACE.

The following articles were put into story form for the mother so as to enable¹ her to make the truth and facts just as interesting to a child’s imagination as possible.

The idea is that the child be taught the process of reproduction and absorb such knowledge without realizing he has received any “sex” instruction.
M. H. S.

1 enable   

vt.使能够；使可以；使成为可能

参考例句：

• Only teamwork will enable us to get the job done on time.只有团结一致，我们才能按时完成这项工作。
• This will enable China to go a step further in grain production.这是中国粮食生产再上新台阶的巨大动力。