学校有很多活动，我都尽可能地参加，这不仅开拓了我的视野，更让我明白了很多道理。

I tried my best to participate in as many school activities as possible, which not only broadened my horizons, but let me understand a lot about the world around.

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事实上，遥控直升机活动开拓了我的视野，它使我从不同的角度去理解学校里学到的东西。

In fact, flying RC helicopter opened a new horizon for me. It added new dimension to my understanding of what I learned in school.

youdao

同时，他会根据需要补充一些历史、地理、自然、社会等方面的背景知识，开拓了我的视野并使我更加关注社会。

He also enlightens me by providing additional background knowledge of history, geography, natural science and sociology, which has broadened my horizons and made me more concerned about social issues.

youdao

And it gave me a broad perspective of both English and some national or international authors.

它开拓了我的视野，我了解了英国和一些世界各地的作家。

第二外语，英语 - SpeakingMax英语口语达人