You questions regarding the toxicity of copper sulfide, and oxide are very confusising. since the sources of these statements of toxicity are not referenced. 这句话怎么翻译才比较合适？谢谢！
热心网友
首先顺一下句子：Your questions regarding the toxicity of copper sulfide and oxide are very confusing, since the sources of these statements of toxicity are not referenced. 你提出的有关硫化铜和氧化铜的毒性的问题令人很费解，因为这些有关毒性的陈述无据可查（是无稽之谈）。
热心网友
由于您没有提及这些毒性声明的来源，所以您有关硫化铜和氧化铜毒性的问题令我很困惑。Copper sulfide硫化铜，Copper oxide氧化铜