Aspirated material may also produce inflammation from chemical irritation, as with gastric contents.

吸入物如同胃内容物一样由于化学刺激物的作用可引起炎症。

youdao

Extensive research suggests that some cancers result from certain forms of physical of chemical irritation.

大量的研究表明：有些癌是由于某种形式的物理或化学刺激所致。

youdao

I'm not surprised you haven't succeeded - irritation such as yours is a potent, chemical thing, and no amount of whipping oneself with birch sticks or platitudes from coaches is going to help.

对于你没能成功做到这一点，我并不感到惊讶——你的这种恼怒是一种强有力的化学物质，再多的自我鞭策、再多教练的陈词滥调都不会奏效。

youdao

The U.S. Environmental Protection Agency says the chemical can cause eye, nose, and throat irritation.

CNN: Pollution, Internet, doping dominate Olympics lead-up