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| English | Chinese |
| xenobiotic substance A substance which would not normally be found in a given environment, and usually means a toxic chemical which is entirely artificial, such as a chlorinated aromatic compound or an organomercury compound | 异生物质 (通常不会在特定环境中发现的一种物质，通常是指完全人为的和有毒的化学物质，如氯化芳香族化合物或有机汞化合物。) |