自由交配

1.pantogamy  2.freemating  

自的英语翻译：

certainly; from; of course; oneself; self; since
【建】 auto-

由的英语翻译：

cause; due to; because of; by; follow; obey; reason; through

交配的英语翻译：

amphimixis; copulate; copulation; mating
【化】 mating
【医】 copula; copulation; mating