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biotoxin noun[ C ] uk /ˈbaɪ.əʊˌtɒk.sɪn/ us /ˌbaɪ.oʊˈtɑːk.sɪn/ a poisonous substance that is produced inside a living thing: 生物毒素 The batch of mussels was tested and found to have high levels of the marine biotoxin known to cause paralytic shellfish poisoning. 经检测,这批贻贝含有高浓度的海洋生物毒素,这种毒素会导致麻痺性贝类中毒。 She and other scientists determined that domoic acid, a biotoxin that can cause disease and death in humans, caused the sea lions' illnesses and deaths. In the 1970s they developed a biotoxin derived from the castor-bean plant. The edema in the dead birds' lungs might be indicative of exposure to a marine biotoxin. The spike had been filled with ricin – a deadly biotoxin – and punched into his thigh as he walked down the street. SMART Vocabulary: related words and phrases Poisoning and allergy allergen allergenic anaphylactic anaphylactic shock anaphylaxis animatedly envenomation fly agaric hypersensitivity hypoallergenic intolerance intolerant poisoning poisonous ptomaine toxicity toxicologist toxicology toxin Warfarin |