Page:華英字典集成.pdf/487

Rh ==Elements of natural science. 博物之理==


 * On the property of bodies.
 * 物質，物性


 * Matter may be changed, but not destroyed.
 * 物質能變而不能滅盡


 * Matter has cohesive attraction.
 * 物有牽合之性


 * It has also the property of repulsion.
 * 物亦有推拒之性


 * There is a mutual affnityaffinity [sic] in bodies.
 * 物質同者喜牽合


 * Metals attract and unite with metal.
 * 金質牽合金質


 * Water, or aqueous bodies, attract water.
 * 水質牽引水質


 * Air, or aeriform bodies, attract air.
 * 氣質牽引氣質


 * The power of attraction is great or small
 * 牽引力有大有小


 * The sun attracts the earth.
 * 日牽引地球


 * The earth attracts the moon.
 * 地球牽引月輪


 * The moon attracts the tides.
 * 月牽引潮水


 * The earth attracts every thing to itself.
 * 地牽引附地諸物


 * Bodies gravitate to the earth not from it.
 * 物向地不能離地


 * Bodies are at rest or in motion.
 * 物有動靜二性


 * Rapid motion cannot instantly cease.
 * 動極不能卽止


 * Nor can bodies at rest, be put into motion at once.
 * 靜者不能卽動


 * Inertia and momentum are antagonistic.
 * 靜動之力勝負相對


 * Rapid motion quickly checked is dangerous.
 * 動極驟止則傷


 * A horse stopping suddenly, the rider falls forward.
 * 馳馬驟止騎馬人向前墜下


 * Or moving suddenly, the rider falls backward.
 * 馬驟馳騎馬人向後墜下


 * Collision injures according to the rate of motion
 * 兩物撞觸動速者必傷

The Atmosphere. 地球周圍之氣

 * Its height is about 150 Chinese le.
 * 地氣能上升一百五十華里


 * The higher it is from the earth, the lighter it becomes.
 * 氣離地面愈遠愈輕


 * The atmosphere is composed of oxygen and nitrogen.
 * 養氣淡氣合爲地氣


 * From supporting life, it is called vital air.
 * 生物倚賴而生故名生氣


 * The two gases are blended in fixed proportions.
 * 氣淡氣調和有定度


 * Oxygen is so called from its nourishing qualities.
 * 養育萬物名養氣


 * Nitrogen simply dilutes the oxygen.
 * 淡氣只使養氣淡些