The invisible oily resin called urushiol causes the ill effects of these poisonous plants .
油性树脂漆酚称为无形的后遗症,造成这些有毒植物.
Once you come into contact with poison ivy , the clock starts ticking : you have about 15 minutes to get rid of the urushiol .
一旦您与常春藤开始接触，那么时钟就开始响起：您有15分钟的时间把漆酚处理掉。
This is because raw cashews contain urushiol , which is the same chemical that you 'd find in poison ivy . It can cause the body to have a very similar reaction to one experienced from poison oak or ivy .
