1. 地心引力定律
   The law of gravity.
2. 根據(jù)牛頓第一定律，如果不對物體施加力的話，靜止物體會一直保持靜止。
   According to Newton's first law, a body at rest will remain at rest until a force is applied to it.
3. 蓋魯薩克，約瑟夫·路易斯1778－1850法國化學(xué)家和物理學(xué)家，析出硼元素（1809年），并且確切陳述了解釋氣體在固定壓力下的表現(xiàn)方式的定律
   French chemist and physicist who isolated the element boron(1809) and formulated a law that explains the behavior of a gas under constant pressure.
4. 誰發(fā)現(xiàn)了引力定律？
   Who discovered the Law of Gravitation?

定的英語翻譯：

律的英語翻譯：