freshener

基本解释

It has developed a kind of hi-tech air freshener that plugs into a PC and sprays a smell linked to the message.
该公司开发了一种高科技的空气清新剂。这种空气清新剂接在电脑上，可以散发出与讯息有关的香味。
www.chinadaily.com.cn
The poll was conducted in conjunction with the launch of a new Renuzit air freshener, Renuzit Super Odor Neutralizer.
这次调查与雷纽兹公司的新型空气清新剂——雷纽兹超级除臭剂一同推出。
blog.sina.com.cn
Choosing an air freshener "really shouldn't be that hard of a decision but when you're sending your kid off to college for the very first time, I want to get everything right," she said.
选购一台空气净化器“其实并不难决定。但是当你第一次把孩子送进大学，你会想要一切完美无缺。”

Unlike Asian consumers, Americans still see gum mainly as a breath freshener.
ECONOMIST: Medical confectionery
The heater was on high, belting out a stinging warmth that smelled of the little cardboard pine-tree air freshener dangling from the rearview mirror.
NEWYORKER: Friendly Fire
Huizenga and Berrard have their work cut out for them: While long-established, Swisher focused nearly exclusively on quickly cleaning bathrooms and selling some soap and air freshener once a week.
FORBES: Will Wayne Huizenga's Next Billion Come From Cleaning Toilets?