My interests were chemical experiments .

我对化学实验很有兴趣。

Take the periodic table of chemical elements .

以化学元素周期表为例。

British police suspect that the same chemical killed two people last month .

英国警方怀疑，相同的化学品在上个月已经导致两人死亡。

Paraxylene is a chemical used in fabric manufacture and can be highly toxic .

对二甲苯是一种织物的制造中使用的化学品，并且有剧毒。

The resulting chemical fire destroyed fibre-optic cables owned by eight major us internet carriers .

这些化学品导致的火灾破坏了美国8个主要的互联网提供商的光缆。

Local media reports of illnesses related to chemical consumption have helped , mr. ross says .

罗斯说，当地媒体有关摄入化学品致病的报导有一定的帮助。

Serotonin is a brain chemical long known to affect sex drive in humans .

血清素作为一种大脑化学药品而久负盛名，因为它能够影响人们的性欲。

Molecules called neurotransmitters are chemical messengers .

被称为神经递质的分子是化学信使。

Inflammation is also caused by chemical signalling .

炎症反应同样是由化学信号引起的。

Avoid smoking and chemical additives .

避免吸烟和食用化学添加剂。