立。在科学上，指占有空间，并能以某种方式被感官觉察
胺;Is there any substance to their claim?
他们
要求有实
内容吗?
, 本体，上；基本上；事实上
；有机；放射性；有效滥用；滥用药；[化]肽（即神经传递介）
品；标准；参考；工作；危险品，毒性；纯；纯正；营养素量Is there any substance to their claim?
他们要求有实内容吗?
Mingle these two substances before the experiment.
实验之前先将这两种混合起来。
Salt is a substance we use in cooking.
盐是我们做菜时用东西。
Fertilizer is a substance put on land to fertilize it.
肥料是施在地里使之肥沃。
A catalyst is a substance which speeds up a chemical reaction.
催化剂是一种能加速化学反应。
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含量。
Objective To investigate more effective substances or their combination for depleted uranium (DU) decorporation.
目比较常见几种贫铀促排剂,寻找高效低毒药或组合方案。
Chalk and cheese are disparate substances.
粉笔和乳酪是完全不同东西。
Clay and wax are plastic substances.
黏土和蜡是可塑性。
The fatty substances have been rendered down.
脂肪已提炼出来了。
Substances consist of small particles called molecules.
是由叫做分子微粒组成。
The substance is good, but the style repellent.
内容甚佳，但文体甚糟。
This mixture is resolvable into two simple substances.
这混合可分解成两种简单。
Oxygen is one of the basic elements of substance.
氧是基本元素之一。
The terrorists charged the bomb with an explosive substance.
那些恐怖主义者给炸弹上装了炸药。
Many highly corrosive substances are used in the nuclear industry.
核工业使用许多腐蚀性很强。
Chemicals in the body break our food down into useful substances.
人体中化学元素把食分解成有用。
But some bitter substances in it such as elaterin are unacceptable.
由于苦瓜含有苦瓜素等,苦味较重,令一些消费者难以接受。
Even innocuous substances can sometimes register a positive result in a drug test.
即使无害在药测试中有时也会呈阳性。
She injected them with phytohaemagglutinin (PHA), a substance that induces an immune reaction.
她为它们注射了植血球凝集素（PHA），这种能够引起免疫反映。
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