patch test

基本解釋

When using a hair colour for the first time, do conduct a 24 hour patch test.
第一次染發(fā)時，做一個24小時的皮膚過敏試驗。
There is also a patch test in which an ethanol-soaked pad is applied to the skin.
還有另外一種測試方法，就是在皮膚上帖一個用酒精浸濕后的貼布。
Dr. Brooks said that the two questions give doctors an easy way to find out if the patient is ALDH2-deficient. There is also a patch test in which an ethanol-soaked pad is applied to the skin.
布克博士說這兩個問題給了醫(yī)生一種簡單的方法去發(fā)現患者是不是ALDH2先天缺乏者.還有一種斑片試驗也可以測試患者是否有高幾率的ALDH2先天缺乏通過把被酒精浸濕的布片放在患者皮膚上如果在10到15分鐘后患者皮膚變紅那么他很有可能就是高幾率的ALDH2先天缺乏者.

And Google has been slow to patch those vulnerabilities in Android, Oberheide says, often pushing out fixes to just a segment of users as a test before fully patching phones weeks later.
FORBES: Updated with Google response below.

a test to detect an allergic reaction by applying small amounts of a suspected substance to the skin and then examining the area for signs of irritation