繁衍 fányǎn to multiply
to multiply; to reproduce; to increase gradually in number or quantity
How to remember 繁衍: 繁 complex + 衍 to overflow = to multiply.
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How it is used
- To reproduce and multiply, of living things - 繁衍后代 (fányǎn hòudài) to reproduce, propagate offspring; 物种繁衍 species multiplication.
- Formal/biological register about generational increase of a population.
- More elevated than 繁殖 (fánzhí, to breed/reproduce), which is more technical/everyday.