toxicity limit

例句：

1. 1. The concentration ofthe toxin must be below the toxicity limit for humans.
   这种毒素的浓度必须低于对人类的毒性极限。
2. 2. The researchteam found that the toxin'stoxicity limit was exceeded in thesample.
   研究小组发现样本中的毒素毒性超过了其毒性极限。
3. 3. The manufacturer has seta toxicity limit for the product,which is higher than the standard.
   制造商为产品设定了毒性极限，高于标准值。