| 单词 | 类物质 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔balsam〕Any of various trees, especially the balsam fir, yielding an aromatic resinous substance.香脂冷杉：一种能产生芳香脂类物质的树木，尤指胶杉美国传统〔basipetal〕Of or relating to the development or maturation of tissues or organs or the movement of substances, such as hormones, from the apex downward toward the base.向基的：与组织或器官的形成发展或与如荷尔蒙类物质运动有关的，从顶部向下往基部运动美国传统〔break down〕The oil is attacked by naturally occurring microbes which break it down.原油受到了自然产生的分解油类物质的微生物的侵蚀。柯林斯高阶〔calcareous〕Composed of, containing, or characteristic of calcium carbonate, calcium, or limestone; chalky.碳酸钙的：由碳酸钙、钙或石灰石组成的、包含此类物质的或具有其性质的；白垩的美国传统〔drug〕Such a substance as recognized or defined by the U.S. Food, Drug, and Cosmetic Act.被美国食品、药物与化妆品法案认定或定义的此类物质美国传统〔flesh〕The physical or carnal nature of humankind.情欲：人类物质或肉体的属性美国传统〔glycolipid〕A lipid that contains carbohydrate groups.糖脂质：含有碳水化合物的一种脂类物质美国传统〔know〕Even small amounts of these substances are known to cause skin problems.我们知道这类物质即使是一丁点也会损害皮肤。剑桥高阶〔tannin〕Any of various chemically different substances capable of promoting tanning.丹宁酸类物质：任一种能使硝皮过程更为活跃的化学结构不同的物质美国传统 |
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