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【形容词】抗菌的; 抗生作用的; 抗菌素的【名词】抗生素;抗菌素


1. destructive of life. 2. a chemical substance produced by a microorganism that has the capacity, in dilute solutions, to kill other microorganisms or inhibit their growth. Antibiotics that are sufficiently nontoxic to the host are used as chemotherapeutic agents in the treatment of infectious diseases. antineoplastic a's (antitumor a's) a class of antineoplastic agents that apparently affect the function or the synthesis, or both, of nucleic acids and thus are cell cycle nonspecific. broad-spectrum antibiotic one that is effective against a wide range of bacteria, both gram-positive and gram-negative. β-lactam antibiotic any of a group of antibiotics, including the cephalosporins and the penicillins, whose chemical structure contains a β-lactam ring.

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