It may be advisable to have a blood test to put your mind at rest.

验一下血让你自己安心也许是明智的。

《柯林斯英汉双解大词典》

Most states, for instance, have a blood test requirement, but a few do not.

例如，大多数州都有验血的要求，但也有一些州没有。

youdao

She is waiting on the result of a blood test.

她在等验血结果。

《牛津词典》

There, researchers are developing a test that uses human saliva instead of blood to find those infected with malaria.

VOA: special.2010.04.20

We want to know your cholesterol, you do a blood test, you get cholesterol.

想要知道你的胆固醇含量,验血后就可以知道

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But researchers hope that one day they will be able to do that though a simple blood test, and prevent more deaths like Suzanna's.

VOA: standard.2010.02.08