The United Nations says an inspection team has been promised access to locations where chemical agents are believed to have been used.

联合国表示一个检查小组已经承诺调查被认为已经使用武器的地方。

Some chemical agents might even be able to produce synaesthesia-like experiences.

一些剂甚至可能能够产生类似联觉的体验。

France has released an intelligence report saying that the Syrian government launched last month’s attack on a Damascus suburb with a massive use of chemical agents.

法国发布情报称，叙利亚政府上个月使用大量剂发动了对大马革郊区的袭击。

Of course, any tiny particle has the potential to cause harm to our vital organs or cells, especially once they are coated with chemical agents.

当然，任何微小的颗粒都有可能对我们的重要器官或细胞造成伤害， 尤其是当它们涂有试剂时。

Chemical agents manufactured by our immune system inflame our cells and tissues, causing our nose to run and our throat to swell.

我们的免疫系统造的剂会使我们的细胞和组织发炎，导致我们流鼻涕，喉咙肿胀。

So you can imagine that everybody was pretty psyched when chemical leavening agents were introduced in the mid-19th century.

因此，你可以想象，当19世纪中期膨松剂被引入时，每个人的心情都非常激动。

Scientists first posed this question in the mid-1990s, after researchers came upon a chemical agent that in rodents seemed to reproduce many of caloric restriction's benefits.

科家最初提出这个问题是在 20 世纪 90 年代中期，那时他们刚刚发现了一种剂，它在啮齿类动物体内似乎能够产生很多卡路里限效应。