分泌

• Pinyin: fēn mì
• Desglose de hanzi: 分 = 八 + 刀 (to separate/divide); 泌 = 氵+ 必 (water + must/essential — to secrete, to ooze a necessary fluid)

Significado

Secretar; secreción.

A primarily scientific and medical term. Used to describe hormonal secretion (激素分泌), glandular secretion (腺体分泌), and other biological fluid production. Also used in popular science writing. Common in medicine, biology, and health contexts.

Ejemplos

1. 急性应激时，肾上腺会迅速分泌肾上腺素。
2. 睡眠不足会干扰皮质醇分泌节律，并抑制生长激素释放。
3. 这种微生物能分泌特殊酶，在低温下高效催化反应。

Guía de uso

Contexto: medicine, biology, health, science

Tono: neutral

Correcto

• 甲亢患者会过度分泌甲状腺激素，出现心悸、多汗等症状。(Patients with hyperthyroidism over-secrete thyroid hormones, causing palpitations, sweating, and other symptoms.)
• 大脑体验愉悦或成就感时会分泌多巴胺。(The brain secretes dopamine when experiencing pleasure or a sense of achievement.)

Incorrecto

• 分泌 in non-biological contexts as a casual metaphor — it sounds clinical and incongruous in ordinary speech; for figurative emotional release, 释放 or 流露 are more natural choices

Origen e historia

分 (to separate, to release) + 泌 (to secrete, to ooze — 氵water radical + 必 'must/essential') — to release fluid; to secrete

Contexto cultural

Generación: All ages

Contexto social: Universal