It's also one of the few teeth that is a spiral shape.

也是为数不多的螺旋形牙齿之一。

Astronomers believe about 60% of all galaxies are spiral shaped, including our very own galaxy, the Milky Way.

天文学家相信大约60%的星系都是螺旋形状的，包括我们自己的星系，银河系。

This spiral shape disperses air currents, transforming 240 kilometer per hour winds into harmless gusts.

这种螺旋形状分散气流，将每小时 240 公里的风转化为无害的阵风。

In a few minutes these rigid flat strips will turn into soft spiral shapes called fusilli that can hold a lot of tasty sauce.

几分钟后，这些坚硬的面条就变成了柔软的螺旋粉，这种螺旋形状的意大利面可以容纳更多美味的酱汁。

The spiral shape of Spirulina makes it ideal for this type of control -- by manipulating it with magnets it can be twirled forward or backward.

螺旋藻的螺旋形状使其非常适合这种类型的控制——通过用磁铁操纵它可以向前或向后旋转。