substances

Compare the physical properties of the two substances .

比较一下这两种物质的物理特性。

Substances such as ammonia give out heat when they dissolve .

诸如氨气之类的物质在溶解时会释放出热量。

This substance should not come into contact with food .

这种物质切莫与食物接触。

Nothing of any substance was achieved in the meeting .

会议没有取得任何实质性成果。

I agreed with what she said in substance , though not with every detail .

对于她所说的，虽然不是每个细节我都同意，但基本内容却是赞同的。

The commission 's report gives substance to these allegations .

委员会的报告为这些说法提供了事实根据。

It was malicious gossip , completely without substance .

这是恶意造谣，完全没有事实根据。

The substance polymerizes to form a hard plastic .

这种物质聚合形成坚硬的塑料。

Clay is a plastic substance .

黏土是可塑物质。

The substance has been scheduled as a poison .

这种物质已被列为毒物。

Her speech was memorable for its polemic rather than its substance .

她的演说之所以令人难忘，不是因其内容而是因其辩论方法。

Petrol is a volatile substance .

汽油是挥发性物质。

The substance of his discussions doesn 't really matter .

他讨论的要点实际上根本不重要。

The substance that 's causing the problem comes from the barley .

引起该问题的物质来自大麦。

Your immune system has been desensitized because it has become used to the substance .

你的免疫系统已经因习惯了这种物质而不再敏感。

It 's questionable whether anything of substance has been achieved

是否已经取得了任何实质性进展还是个问题。

Syria will attend only if the negotiations deal with issues of substance .

只有在谈判涉及重大问题时叙利亚才会参加。

This substance degrades rapidly in the soil .

这种物质在土壤里会迅速降解。

Scientists claim to have identified natural substances with cancer-combating properties

科学家们声称已经发现自然界的某些物质具有抗癌特性。

Since these substances are not licensed , they cannot be sold in the continental United States .

由于这些物品没有许可证，所以不能在美国大陆地区销售。

There 's absolutely no regulation of cigarettes to make sure that they don 't include poisonous substances

根本没有法规来确保香烟不含有毒物质。

This is how we see our tasks , and the substance and content of our work for the forthcoming period .

这就是我们对工作任务的看法，以及下一阶段我们工作的实质与内容。

There is no substance in any of these allegations .

这些指控都毫无根据。

The original plan was to encase a small amount of a radioactive substance in a protective steel container .

原先计划是要将少量的放射性物质封存在一个钢质防护罩中。

Propolis is a hard resinous substance made by bees from the juices of plants .

蜂胶是蜜蜂用植物汁液合成的像树脂一样的物质。

The goal is complete abstention from all mind-altering substances .

目标是彻底戒绝所有致幻物质。

No substance at all , just froth

根本没有任何实质，只是一些虚浮的东西。

' A passport to a brighter future ' : it sounds like a worn-out advertising slogan , but for once the cliche has substance .

“通往更加光明的未来的通行证”，这话听起来像句老掉牙的广告词，但这次这句套话却言之有物。

Let 's compare the physical properties of the two substances .

我们来比较一下这两种物质的物理特性。

Water , ice and steam are the same substance in different forms .

水、冰和蒸汽是形态不同的同一物质。