二是规划政策和南北极的基础上的怀疑。

Two is the planning policy and the North South Pole Based on the point of doubt.

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一项新的研究显示，两种分别生活正在南北极的小须鲸不知为何相会并生出一种混血鲸，而且可能不止生出了一头。

They may be polar opposites, but something is attracting two species of minke whales, producing at least one hybrid offspring, a new study says.

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如果你还有大把的钱，你可以把质子和中子分成组成它们的最小组分：夸克，然而你还是只会得到拥有南北极的磁体。

With a pile more money, you can cut the proton and neutrons into their smallest parts, quarks, you will still have magnets with North and South poles.

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