| 单词 | double cross |
| 释义 | double cross 1. a betrayal or swindle of a colleague. 2. an attempt to win a contest that one has agreed beforehand to lose. Cf. cross (def. 21). 3. Genetics. a cross in which both parents are first-generation hybrids from single crosses, thus involving four inbred lines. [1825-35] |
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