outbreed

verb

To breed from parents not closely related. / (transitive) To breed more successfully than.

The goal of the breeding program is to outbreed the population and increase genetic diversity.

意味（1）

To breed from parents not closely related.

意味（2）

(transitive) To breed more successfully than.

Showy peacocks attract more predators, but they outbreed drabber rivals just because peahens adore flashy tails.