定義 / Definition
[verb]
・(of animals) mate and then produce offspring.
・develop (a variety of animal or plant) for a particular purpose or quality.
・produce or lead to (something) over a period of time.
[noun]
・a type of dog, sheep, pig, etc.
— その他 例文 —
Rats and rabbits breed quickly.
ネズミやウサギは繁殖するのが速い