He says engineers are already studying ways to move the asteroid out of Earth's path. One possible method is to create a large sail.

他说，工程师们正在研究让小行星偏离地球的方法，方法之一是造一个巨大的帆。

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A large ship, with three masts, lay becalmed on the water, with only one sail set; for not a breeze stiffed, and the sailors sat idle on deck or amongst the rigging.

船上只挂了一张帆，因为没有一丝儿风吹动。 水手们正坐在护桅索的周围和帆桁的上面。

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With a very large outboard motor, for example, the boat may be imbalanced by having that weight far astern and may "squat" in the water and not sail as well.

例如，如果装了一台很大的舷外发动机，船只可能会因其重量而变得不平衡，尾部偏重，用俗话说倾向于在水中“蹲着”，而影响航行。

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But, it turns out, a solar sail need not always be particularly large to be useful.

ECONOMIST: Rockets are not the only way to travel through outer space