1. Is there any substance to their claim?
   他们的要求有实质内容吗?
2. Mingle these two substances before the experiment.
   实验之前先将这两种物质混合起来。
3. Salt is a substance we use in cooking.
   盐是我们做菜时用的东西。
4. Fertilizer is a substance put on land to fertilize it.
   肥料是施在地里使之肥沃的物质。
5. A catalyst is a substance which speeds up a chemical reaction.
   催化剂是一种能加速化学反应的物质。
6. HPLC method for determination of amrinone and its related substances was established.
   建立了HPLC法测定氨力农及有关物质含量。
7. Objective To investigate more effective substances or their combination for depleted uranium (DU) decorporation.
   目的比较常见的几种贫铀促排剂,寻找高效低毒的药物或组合方案。
8. Clay and wax are plastic substances.
   黏土和蜡是可塑性物质。
9. Chalk and cheese are disparate substances.
   粉笔和乳酪是完全不同的东西。
10. The fatty substances have been rendered down.
    脂肪已提炼出来了。
11. Substances consist of small particles called molecules.
    物质是由叫做分子的微粒组成的。
12. The substance is good, but the style repellent.
    内容甚佳，但文体甚糟。
13. This mixture is resolvable into two simple substances.
    这混合物可分解成两种简单的物质。
14. The terrorists charged the bomb with an explosive substance.
    那些恐怖主义者给炸弹上装了炸药。
15. Oxygen is one of the basic elements of substance.
    氧是物质的基本元素之一。
16. Many highly corrosive substances are used in the nuclear industry.
    核工业使用许多腐蚀性很强的物质。
17. 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。
18. But some bitter substances in it such as elaterin are unacceptable.
    由于苦瓜含有苦瓜素等物质,苦味较重,令一些消费者难以接受。
19. 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。
20. She injected them with phytohaemagglutinin (PHA), a substance that induces an immune reaction.
    她为它们注射了植物血球凝集素（PHA），这种能够引起免疫反映的物质。

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