即使是生物专业的大学生都可能会反对动物实验。

Even biology undergraduates may balk at animal experiments.

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然而，尽管当地铁浓度立即提高，在一个这样的区域实验释放铁化合物却没有产生大量的浮游生物。

However, an experimental release of iron compounds into one such area failed to produce a thriving plankton population, even though local iron concentrations increased immediately.

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在实验中，社交机器鼠跟随生物鼠四处走动，与它们玩同样的玩具，还会打开笼门让被困的老鼠逃走。

During the experiment, the social robot rat followed the living rats around, played with the same toys, and opened cage doors to let trapped rats escape.

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Chemistry and biology, physics has the advantage that the desktop experiments can do are relatively straight forward than not dangerous.

化学和生物的话，物理有一个好处就是,桌面实验能做到,直观却不危险,地反映结果。

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So, for example, I'm actually in a research lab and the biomedical center

例如，我参加了一个研究实验室，还有一个生物医药中心，

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For those of you don't know what that is it's simply an instrument that counts radioactive particles in the air, and MIT now that you're at MIT, you'll all have a chance to see one first hand if you're ever in any of the labs, especially in the chemistry or bio labs.

不知道它是什么,它就是一个简单的,计算在空气中放射粒子数目的仪器,你们现在来了，如果你们在实验室里工作的话,尤其是化学和生物实验室，你们有很多机会亲手用到它。

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