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单词 crossing
释义 crossing
n.
  1. a place where things (esp. roads) cross.
  2. a place at which one may cross a street etc. (pedestrian crossing).
  3. a journey across water (had a smooth crossing).
  4. the intersection of a church nave and transepts.
  5. Biol. mating.
Phrases and idioms
crossing over Biol. an exchange of genes between homologous chromosomes (cf. RECOMBINATION).
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更新时间:2024/12/22 23:51:19