scentless

基本解释

Fame is the scentless sunflower.
金色娇美的向日葵是无香气；
20180c.blog.163.com
On the face of it, scentless 2 cologne might seem pointless. If it's not going to spritz you with enticing-smelling scent 1, what's the point?
乍看起来，无味香水可能毫无意义。如果洒上香水却不能让你拥有诱人的香味，意义何在？
The participants were asked to sniff a jar containing either one of the three odours or the scentless oil, and then press a button to indicate whether they thought the jar smelled of anything.
这些志愿者都被要求嗅装有某一种气味或无味的油罐子，然后再按下按钮表示自己是否闻到什么了。