這本書寫的是外科方面的新動向。
The Medical Journal treats of the progress of medicine.《

醫學雜志》討論的是醫學上的進展。
The essay treats of the acquisition of language.

這篇文章探討了語言的價值。
This lecture treats of the period of the first revolutionary civil war.

這一講談第一次國內革命戰爭時期。
The third volume treats of modern literature.

第三卷講現代文學。

他們待我們很友好。
We treated them with leniency.

我們對他們很寬容。
He treated me with indifference.

他對我漠不關心。
We were treated with respect.

我們受到尊重。
This was the first time I had been treated with such respect.

我是第一次受到這樣的禮遇。 treat with sb
We have treated with the three biggest firms in London.

我們已與倫敦最大的三家公司談判過了。
If we are to treat with you, it must be on equal terms.

如果要我們和你們談判,雙方必須處于平等地位。 treat sth with sth
They treat their seeds with a fungicide to combat seedling diseases.

他們用殺真菌劑浸了種子來防止秧苗受病。
New timber should be treated with a preservative.

新砍伐的原木應進行防腐處理。