Every month the magazine introduces a fresh new topic with articles, experiments and creative things.

每个月这本杂志都会用不同的方式介绍一个新的话题，比如通过文章，实验或是其他创意。

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This is not a new topic.

这不是个新观点。

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He introduced a new topic for our discussion.

他提出了一个新的议题供我们讨论。

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So let's turn our attention to a new topic, which is thinking a little bit about the periodic table, and also talking about periodic trends.

我们的新主题上，我们将会讨论一点关于元素周期表的知识，同时也会讲一讲周期性规律。

麻省理工公开课 - 化学原理课程节选

This is a shift, this is a new topic that we're starting.

这是一个转折点，我们要讨论一个新的话题。

麻省理工公开课 - 化学原理课程节选

But, we'll see as 3.091 progresses, people working almost on the same topic, making new discoveries out of the same lab, one of them might subsequently win the Nobel in physics.

但是，我们会看到随着3。091这门课的进行，人们几乎在研究的同一内容，在同一个实验做出重大的发现，他们中的一个很有可能,获得诺贝尔物理学奖。

麻省理工公开课 - 固态化学导论课程节选

The fiscal cliff will not be a new topic to regular readers of this column.

FORBES: For The Republicans There's An Opportunity At The Fiscal Cliff

When you're tackling a new and challenging topic, starting from a solid foundation is crucial to success.

WHITEHOUSE: Getting It Right for Indian Country

Paul Rieckhoff, founder of the 200, 000-member Iraq and Afghanistan Veterans of America, based in New York City, said New York's gun law has been a topic among veterans in New York and across the country.

WSJ: VA says it won't follow New York gun law