今年的主题是国际卫生安全。

This year's theme is international health security.

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每年我们都选择一个主题，今年的主题是电影明星和七夕。

Every year we pick a theme, this year's theme was movie stars and star Festival.

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周二是世界哮喘日，今年的主题是“哮喘是可以控制的”。

Tuesday marks World Asthma Day, and this year's theme is "You can control your Asthma."

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Every year we pick a theme, this year's theme was movie stars and Star Festival.

每年我们都选择一个主题，今年的主题是电影明星和七夕。

麻省理工公开课 - 媒体、教育、市场课程节选

and we design a product from start to finish. And this year, the theme is food, so

我们负责一个产品从头到尾的设计。今年的主题是食品，所以

又有趣又奇特的课堂 - SpeakingMax英语口语达人