The green indicates the presence of complex molecules called polycyclic aromatic hydrocarbons.

绿色则表明了大分子多环芳香烃的存在。

youdao

Stegeman has been chronicling resistance to toxic PCBs and polycyclic aromatic hydrocarbons in another coastal species, a killifish.

斯蒂门记录有另一种对有毒的多氯联苯和多环芳烃有抵抗作用海岸物种，那是一种鳉鱼。

youdao

On Earth, polycyclic aromatic hydrocarbons are found on burnt toast and in automobile exhaust.

在地球上，烤糊的面包和汽车尾气里都含有稠环芳烃。

youdao

The water leftover from the extraction process, known as tailings, contains arsenic, mercury, napthenic acids and polycyclic aromatic hydrocarbons (PAHs).

BBC: Canada's 'dirty oil' challenge

The researchers looked at the level of chemicals linked with cancer, polycyclic aromatic hydrocarbons (PAH), in 12 patients after smoking.

BBC: Smoking

Fracking fluids are believed to contain, in addition to water, benzene, ethylbenzene, formaldehyde, methanol, naphthalene, polycyclic aromatic hydrocarbons, toluene, xylene, boric acid, hydrochloric acid, isopropanol, and diesel fuel.

FORBES: European Gas Giant Backs French Fear Of Fracking