toxic chemicals

• 毒性化学药品

toxic chemicals的用法和样例：

例句

1. In order to reduce the usage of virulent chemicals in the experimental process, the method to determine the proline content was improved.
   摘要为了减少实验过程中有毒性化学药品的使用，对测定脯氨酸含量的方法进行了改进。
2. Chemicals were found in the river.
   在这条河里发现了危险的高浓度有毒化学物质。
3. There is also considerable contamination by PCBs, toxic chemicals with carcinogenic effects.
   另有大量污染是由含有可致癌的有毒化学物质的印刷电路板所致。