"scentless wisps of straw"
"a scentless stretch of rocky ground"
本发明的优点:无毒无臭、高弹塑性、高强度及低温柔韧性及耐老化性。
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。