innoxious substance

例句：

1. 1. The chemical was found to be innoxious and safe for human consumption.
   这种化学物质被发现是无害的，对人类来说是安全的。
2. 2. The new drug is innoxious and has no known side effects.
   这种新药是无害的，没有已知的副作用。
3. 3. The plant's leaves are innoxious and can be used as a natural remedy.
   这种植物的叶子是无害的，可以用作天然的疗法。