noun 下载 🔗分享 背后交叉抛掷 A throw where the object is caught and then thrown from behind the back. Examples : "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。 sport action 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 回交，反交。 The act of crossing a hybrid with one of its parents. Examples : "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。 biology agriculture 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 回交后代，反交后代 An organism produced by such a crossing. Examples : "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。 organism biology 与AI对话词汇游戏阅读练习
verb 下载 🔗分享 回交，反交。 To cross a hybrid with one of its parents. Examples : "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。 biology organism agriculture plant 与AI对话词汇游戏阅读练习
