secretion
柯林斯词典
1. N-UNCOUNT Secretion is the process by which certain liquid substances are produced by parts of plants or from the bodies of people or animals. 分泌
...the secretion of adrenaline. …肾上腺素的分泌。
2. N-PLURAL Secretions are liquid substances produced by parts of plants or bodies. 分泌物
...gastric secretions. …胃的分泌物。
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