irritant
adj. 刺激的；刺激性的
n. [医] 刺激物，[医] 刺激剂
复数 irritants
例句
It may be that the itching is caused by contact with irritant material.
那儿的痒也许是由于接触刺激物而引起的。
《柯林斯英汉双解大词典》
Moreover, they are a direct irritant in what some politicians and scholars see as a coming conflict between the generations.
此外，在一些政客和学者看来，这两代人之间即将爆发的冲突中，它们是一个直接的刺激因素。
He said the issue was not a major irritant.
他说这一问题不是让他恼火的主要原因。
