verb🔗Share回交，反交。 To cross a hybrid with one of its parents."The plant breeder backcrossed the new hybrid tomato with its disease-resistant parent to improve its resilience. "植物育种家将新的杂交番茄与它具有抗病性的亲本进行了回交，以提高它的抗逆性。biologyagricultureplantanimalChat with AIVocabulary GamePractice Reading
