non-toxicity

例句：

1. 1. The product is non-toxic and safe for use.
   该产品无毒，可安全使用。
2. 2. The research found that the substance was non-toxic to humans.
   研究发现这种物质对人类是无害的。
3. 3.Non-toxicity is a key factor in determining whether a product is safe for use.
   无毒性是决定产品是否安全使用的关键因素。