pungent odor meaning in English

刺鼻臭味
刺激臭味
刺激性臭气
刺激性气味

It comes as gray brown powder , pleasant and faintly pungent odor
本品为棕褐色的粉末：气清香味苦涩。
Some bacteria protect against halitosis , the formal name for really bad breath , while others cause the pungent odor , says a team of researchers from the forsyth institute in boston
来自波士顿福塞斯研究所的一个研究小组发现，口腔内有一些细菌可以防止口臭，也就是口腔异味的产生，而另一些的作用则刚好相反。