This flashcard defines '退化作用' (tuìhuà zuòyòng) as the evolutionary decline or loss of a function, characteristic, or structure in an organism or species.
进化作用引起生物体或物种某种功能、特征或结构衰退或丧失的现象。
| Expression | 退化（作用）一个生物体或物种的某种功能、特征或结构由于进化作用造成的衰退或丧失 |
|---|---|
| Meaning | The evolutionary decline or loss of a function, characteristic, or structure in an organism or a species. |
| Reading | tuìhuà zuòyòng yī gè shēngwùtǐ huò wùzhǒng de mǒuzhǒng gōngnéng tèzhēng huò jiégòu yóuyú jìnhuà zuòyòng zàochéng de shuāituì huò sàngshī |
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