这本书以给作者儿子的书信形式写就。

The book is written in the form of letters to the writer's son.

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于是，我也以书信的形式给她回了一封：说实话，我也不明白你母亲为什么要这样做，但有一点我敢肯定：可怜天下父母心！

So, I have the form of correspondence to a letter to her: I can honestly say that I do not understand why your mother to do so, but one thing I am sure: Poor Parents!

youdao

超过四十名圣公会主教和600名神职人员以书信的形式对卡梅伦发出隐晦的指责，并要求其将重点放在粮食短缺的问题上。

More than 40Anglican bishops and 600 clergy issued an implicit rebuke in the form of a letter urging Mr.

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