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单词 beta-lactam
释义
be·ta-lac·tam (bātə-lăktəm, bē-)
n.
1. A lactam composed of a four-membered ring, formed by intramolecular condensation of an amino acid in which the amino group is located at the beta position, or any compound containing this group.
2. A beta-lactam antibiotic.

[BETA, second (in the series of lactam rings, the first being the simplest) + LACTAM.]
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更新时间:2025/2/23 5:10:25