For a chemist, many organic compounds like dioxin and botulism toxin are extremely toxic, while inorganic compounds like sodium chloride or lithium are harmless or even beneficial.
从一位化学家角度来看，许多有机化合物如二恶英和肉毒毒素都是有毒物质，而像氯化钠和锂等无机化合物则是无害甚至有益的。
Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.
二苯并呋喃（DF）是研究二英类化合物生物降解的模式化合物之一。
Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.
二苯并呋喃（DF）是研究二英类化合物生物降解的模式化合物之一。
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