学校决定举办一次以低碳为主题的演讲比赛的翻译：School has decided to hold a low-carbon-themed speech contest 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

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School has decided to hold a low-carbon-themed speech contest

The school decided conducts one time take the low-carbon as the subject oratorical contest

decided to organize a school in a low-carbon-themed speech contest

School has decided to hold a low-carbon-themed speech contest