noun🔗Share背后交叉抛掷 A throw where the object is caught and then thrown from behind the back."The basketball player practiced backcrosses in the gym, hoping to surprise the defense during the game. "这位篮球运动员在体育馆练习背后交叉抛掷，希望在比赛中出其不意地迷惑防守。sportactionChat with AIVocabulary GamePractice Reading
noun🔗Share回交，反交。 The act of crossing a hybrid with one of its parents."To improve the corn harvest, the farmer performed several backcrosses, mating the high-yield hybrid plants with the original parent variety that was resistant to disease. "为了提高玉米产量，这位农民进行了几次回交，也就是让高产的杂交玉米与最初具有抗病性的亲本品种进行杂交。biologyagricultureChat with AIVocabulary GamePractice Reading
noun🔗Share回交后代，反交后代 An organism produced by such a crossing."Because the farmer wanted more plants with the disease resistance of the wild strain, he tested whether the new plants were backcrosses by breeding them with the original wild strain. "由于农场主想要更多具有野生种抗病性的植株，他通过让新品种与最初的野生种杂交，来测试这些新品种是否是回交后代。organismbiologyChat with AIVocabulary GamePractice Reading
verb🔗Share回交，反交。 To cross a hybrid with one of its parents."The farmer backcrossed the hybrid corn with the original yellow variety to improve its drought tolerance. "为了提高玉米的耐旱性，那位农夫将杂交玉米与最初的黄色品种进行了回交。biologyorganismagricultureplantChat with AIVocabulary GamePractice Reading
