The great discovery that Galileo and Newton made is that you don't need a force for a body to move at constant velocity.
伽利略和牛顿的伟大发现就是,物体不需要力来维持匀速运动
I don't know if you heard this morning, but there was news of the discovery of yet one more element.
我不知道你们今早听说了没,有一个新发现,一个新的元素的发现。
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