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back-cross英英字典_back-cross剑桥英语解释_back-cross柯林斯英文解释_欧米惠必应词典
欧米惠必应词典

back-cross

B 开头单词

柯林斯词典

    backcross /ˈbækˌkrɒs/

  • 1. V to mate (a hybrid of the first generation) with one of its parents 回交

  • 2. N the offspring so produced 回交子代

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