uncontaminated是什么意思音标:英 ['ʌnkәn'tæmineitid]

a. 没有被污染的, 未沾染的

a. not corrupted by contact or association
s. free from admixture with noxious elements; clean

uncontaminated的用法和例句：

1.Get as much uncontaminated blood as you can.

尽可能多的获取未污染的血液

2.I just checked the readings from all uncontaminated zones.

我刚检查了一下无污染区的指数

3.Recovering an uncontaminated sample of the site proved impossible.

从现场采集未受污染的样本 是不可能的