[no obj.](of an animal) breed with another of a different race or species (动物)同其他品种杂交;进行种类间杂交 wolves and dogs can interbreed. 狼和狗可以杂交。 ■(of an animal) inbreed (动物)近交,同系交配 [as noun interbreeding]their energy and physique had been sapped by interbreeding. 由于近交,它们的体能和体型都退化了。 ■[with obj.]cause (an animal) to breed with another of a different race or species to produce a hybrid 使(动物)杂交