World Environment Day (WED) falls on June 5 each year.

每年的6月5日为世界环境日。

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The fiftieth World Environment Day was on June 5th, 2021.

2021年6月5日是第五十个世界环境日。

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They're part of a bunch of celebrities starring in a new video for World Environment Day.

他们是世界环境日新视频的主演之一。

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The aim of this day is to urge local action and increase awareness about the state of the world's environment.

VOA: special.2010.04.21

Our environment has changed, the world has become industrialized.

我们生活的环境已经改变,全球普遍工业化

耶鲁公开课 - 生物医学工程探索课程节选

And so, the behaviorist manifesto would then be to develop a science without anything that's unobservable and instead use notions like stimulus and response and reinforcement and punishment and environment that refer to real world and tangible events.

因此，行为主义者的目标,是建立一门科学,将一切不可观测的事情都排除在外,取而代之的是应用,诸如刺激，反应，强化，惩罚,以及表示现实世界和客观事件的环境,之类的概念来进行研究。

耶鲁公开课 - 心理学导论课程节选

On World Environment Day 2010, let our actions show that we understand its importance.

UNESCO: World Water Assessment Programme (WWAP)

As a biology teacher I have learned to love the world environment and continually try to protect it.

CNN: What are you thankful for?

On World Environment Day, we need to think about what we can concretely achieve to protect our environment and planet.

UNESCO: World Water Assessment Programme (WWAP)