long term toxicity test

• 慢性毒性试验

long term toxicity test的用法和样例：

例句

1. Using the results from acute toxicity experiments as foundations, we further studied the chronic toxicities of Cd and Zn on L. vannamei.
   在得到急速毒性试验结果之后，我们决定出慢性毒性研究所使用的金属浓度。