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- ultrapure substances 特纯物质
- Substances consist of small particles called molecules. 物质是由叫做分子的微粒组成的。
- The act of obtaining usable substances from unusable sources. 废物利用从无用的东西中获取有用物质的行为
- The mixture will resolve into three simple substances. 这种混合物可分解成三种单纯状之。
- Chemicals in the body break our food down into useful substances. 人体中的化学元素把食物分解成有用的物质。
- To this class of substances belong glass and wood. 属于这类物质的有玻璃、木材等。
- The pancreas can produce substances which help in the digestion of food. 胰脏能产生助消化的物质。
- An allergy is an adverse reaction of the body to certain substances. 过敏是身体对某些物质的不良反应。
- Alcohol is a solvent of resinous substances. 酒精是树脂性物质的溶媒。
- Some substances resist corrosion by air or water. 有些物质可以抗空气或水的腐蚀。
- The first ultrapure fiber was made just four years later, in 1970. 仅仅四年之后，全球首个超纯纤维就于1970年问世。
- All substances are made up of atoms. 一切物质都是由原子构成的。
- Both of the substances are not made up of carbon . 这两种物质并非都由碳组成。
- This mixture resolves into two substances. 这混合物会分解成两种物质。
- Chalk and cheese are disparate substances. 粉笔和乳酪是完全不同的东西。
- Some substances resist the action of acid. 有些物质能抗酸。
- Both of the substances do not dissolve in water. 不是两种物质都溶于水。
- Assed with substances to prevent caking. 加入此物质为避免结成固体状。
- None of these substances are soluble in water. 这些物质都不能溶于水。
- GRAS food substances are sufficient. 基因食品是非常充足的。
