secretion

/sɪˈkriː.ʃən/ (bre, ipa) · /sɪˈkriː.ʃən/ (ame, ipa) · /si-ˈkrē-shən/ (ame, mw)

secretion — noun

  • secretionsingular
  • secretionsplural

1. a liquid that a living thing's body produces and releases for a specific purpose

1.名詞B2
釋義

a liquid that a living thing's body produces and releases for a specific purpose; also, the process of producing and releasing such a liquid

例句

The pine tree's secretion of sticky resin helps protect its trunk from insects and disease.

secretion of + noun for the substance produced

After eating the very spicy meal, Wei Chen's mouth produced extra saliva secretion.

body part + secretion for the process

同義詞
  • fluid

    more general, not limited to biologically produced liquids

  • exudate

    medical term for fluid that oozes out of damaged tissue, usually from wounds or inflammation

  • discharge

    more clinical, often implies abnormal or waste fluid from the body

文法句型

secretion + of + noun (the substance produced)

用法筆記

Frequently used in two related ways: as an uncountable noun for the biological process, and as a countable noun (often plural) for the liquid produced. The context determines which meaning applies.

常見錯誤

❌The gland's secretion enzymes help digest food.
✅The gland's secretion of enzymes helps digest food.
💡When describing the process, use 'secretion of + noun', not a noun chain.
❌The nurse cleaned the blood secretion from the wound.
✅The nurse cleaned the wound secretions.
💡For visible body fluids, the plural form 'secretions' is more natural in medical English.