substances的例句（substances在句子中的用法）

• man-made substances not found in nature 自然界找不到的人造材料
• Mingle these two substances before the experiment. 实验之前先将这两种物质混合起来。
• The mixture will resolve into two simple substances. 这种混合物可以分解为两种简单的物质。
• Soil consists of various chemical substances. 土壤由各种化学物质组成。
• Substances have no tendency to expand unless (they are) heated. 除非受热, 物质不会有膨胀的倾向。
• Clay and wax are plastic substances. 黏土和蜡是可塑性物质。
• Few substances can equal fur as an insulator. 作为绝缘体很少有其他材料能与动物皮毛相媲美。
• Even innocuous substances can sometimes register a positive result in a drug test. 即使无害的物质在药物测试中有时也会呈阳性。
• ductile substances 有韧性的物质
• Chalk and cheese are disparate substances. 粉笔和乳酪是完全不同的东西。
• Some dense substances allow electricity to flow through them freely. 有些密度大的物质容易让电流通过。
• These substances are sometimes combined with other chemicals, such as chlorine. 这些物质有时可与其他化学品化合，例如氯。
• caustic substances 腐蚀性的物质
• Function - forming and remodelling collagen, reticular and elastic fibres and the ground substances. 合成蛋白质,构成疏松结缔组织的纤维和基质成分.
• Microorganisms can produce many beneficial bioactive substances through secondary metabolism. 微生物能够通过次级代谢产生很多有益的活性物质.
• These opacities are prooved to be iron - containing substances by Prussian blue stain. 普鲁士蓝染色证实为含铁之色素.
• The thresholds for some substances vary considerably among individuals. 个体中某些物质的阈值会产生相对的变化.
• The substances are formed from a mixture of liquids solidifying under pressure. 这些材料是由几种液体混合在一起并加压使之凝固而成的.
• This mixture resolves into two substances. 这混合物会分解成两种物质.
• Hallucinogens are psychoactive substances that powerfully alter perception, mood, and a host of cognitive processes. 迷幻剂是指作用于精神的,能强烈改变感知 、 情绪及主体认知过程的药物.