Aspirated material may also produce inflammation from chemicalirritation, 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。
2
Extensive research suggests that some cancers result from certain forms of physical of chemicalirritation.
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。
3
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.