| 单词 | secretion | 
| 释义 | Word Frequency secretion(sɪˈkriːʃən) noun 1.  a substance that is released from a cell, esp a glandular cell, and is synthesized in the cell 2.  the process involved in producing and releasing such a substance from the cell Derived formssecretionary (seˈcretionary) adjective Word originC17: from Medieval Latin sēcrētiō, from Latin: a separation; see secern | 
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