Substance

(noun.) the real physical matter of which a person or thing consists; 'DNA is the substance of our genes'.

(noun.) a particular kind or species of matter with uniform properties; 'shigella is one of the most toxic substances known to man'.

(noun.) material of a particular kind or constitution; 'the immune response recognizes invading substances'.

手打:兰斯洛特

• The paper was first dipped into a solution of common salt, and then wiped dry, to diffuse the salt uniformly through the substance of the paper. 弗雷德里克·科利尔·贝克维尔. 伟大的事实.
• Watt and his contemporaries regarded heat as a material substance called Phlogiston. 威廉·亨利·杜利特. 世纪发明.
• When light passes from air into water, or from any transparent substance into another of different density, its direction is changed, and it emerges along an entirely new path (Fig. 64). 伯莎M.克拉克. 科学通论.
• The result was an intermediate substance, neither glass nor whinstone--a sort of slag. 李贝. 西洋科学史.
• Valuable metallic ores, such as those of gold, platinum, tin, copper and iron, often occur in the form of sand or mixed with that substance. 佚名. 神奇的知识之书.
• But politics was a personal drama without meaning or a vague abstraction without substance. 沃尔特·李普曼. 政治序论.
• Philosophers begin to be reconciled to the principle, that we have no idea of external substance, distinct from the ideas of particular qualities. 戴维·休谟. 人性论.
• The bending or deviation of light in its passage from one substance to another is called refraction. 伯莎M.克拉克. 科学通论.
• The substance in question has never been found yet. 威尔基·柯林斯. 月亮宝石.
• Have you any notion of self or substance? 戴维·休谟. 人性论.
• This is a painful task,' said he, 'but these declarations, which have been signed in London before many gentlemen, must be in substance repeated here. 查尔斯·狄更斯. 雾都孤儿.
• The action of the sun on their skin causes small parts of the second layer of skin to give out a yellow or yellowish brown substance. 佚名. 神奇的知识之书.
• This was a vegeto-animal substance, having peculiarities of animal products. 威廉·亨利·杜利特. 世纪发明.
• The other half very soon turned sour, and had to be thrown away, but that to which the substance was added was perfectly fresh that morning. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• The simplicity of the method of generating acetylene gas from this substance by merely bringing it in contact with water has greatly stimulated invention in this field. Edward W. Byrn. 十九世纪发明进展.
• Although carbon dioxide is very injurious to health, both of the substances of which it is composed are necessary to life. 伯莎M.克拉克. 科学通论.
• For example, if the sun's rays fall upon silver chloride, a chemical action immediately begins, and as a result we have two separate substances, chlorine and silver. 伯莎M.克拉克. 科学通论.
• The coloring substances are pulverized and the mixture ground. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• Substances which, like an air gap, interfere with the flow of electricity are called non-conductors, or, more commonly, insulators. 伯莎M.克拉克. 科学通论.
• Can you give any uses of these substances? 伯莎M.克拉克. 科学通论.
• They insinuated themselves into the substances about them, and the impediments to their progress yielded at their touch. 玛丽·雪莱. 最后一个人.
• Commercial soaps are made from a great variety of substances, such as tallow, lard, castor oil, coconut oil, olive oil, etc. 伯莎M.克拉克. 科学通论.
• What is wanted is a strong, steady current, and our choice of material is limited to the substances which will give this result. 伯莎M.克拉克. 科学通论.
• Thus by the prism and the blowpipe were the same substances found in the sun, the stars, and the earth. 威廉·亨利·杜利特. 世纪发明.
• But to avoid taxation it must be rendered unfit for drinking by the addition of such unpalatable substances as wood alcohol, pyridin, benzola, sulphuric ether or animal oil. 佚名. 神奇的知识之书.
• The hands may gather germs from any substances or objects with which they come in contact; hence the hands should be washed with soap and water, and especially before eating. 伯莎M.克拉克. 科学通论.
• While soap is, generally speaking, the best cleansing agent, there are occasions when other substances can be used to better advantage. 伯莎M.克拉克. 科学通论.
• Heat, in general, causes substances to expand or become less dense. 伯莎M.克拉克. 科学通论.
• In the year 1600, Gilbert, an English physician, enlarged considerably the catalogue of substances which have the property of attracting light bodies. 本杰明·富兰克林. 富兰克林自传.
• Substances which, like the earth, the human body, and all other moist objects, conduct electricity are conductors. 伯莎M.克拉克. 科学通论.

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