论及

treat of

1. 他已阅读了论及他研究领域的当前的各种刊物。
   He's read all the current publications touching on his field of research.
2. 他论及经济增长是自由的一个有力的显示器，我同意。
   He talks about economic growth as a great indicator for freedom, I agree with him.

及的英语翻译：