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 .

这是因为生腰果含有漆酚，这也是毒藤里能找得到的同种有毒化学物质，这种物质能使身体产生与接触毒藤和毒橡树同样的反应。