In our science lesson tomorrow we shall consider whether space is bounded or infinite.

明天的科学课，我们将思考太空是有限还是无限的问题。

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"Just because something lacks scientific support doesn't seem to me a sufficient reason to omit it from a science lesson, " he wrote on guardian.co.uk shortly before his resignation.

他在辞职前不久给卫报的信中写道，“仅仅因为某些事情缺乏科学支持，这似乎不构成足够的理由将其从科学课程中删除”。

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When is your science lesson?

你的科学课几点钟？

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Now, this is an important lesson in what you do in science.

现在是你们科学教育中,的重要一课。

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Here's a brief science lesson: Botox is a brand name for botulinum toxin type a.

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Brief science lesson here- pheromones occur naturally within nature and are the reason why we become attracted to someone.

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Interesting as the information was, I started getting antsy because we'd already poured the first round of beer, which was losing precious carbonation as we sat through the science lesson.

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