柯林斯英汉双解大词典
crossing over
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1.
N the interchange of sections between pairing homologous chromosomes during the diplotene stage of meiosis. It results in the rearrangement of genes and produces variation in the inherited characteristics of the offspring 交换; 同源染色体断裂并相互再结合而导致染色体节段的交换 [biology] → see also linkage
双语例句原声例句权威例句
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Don't worry about crossing over the tracks.
不用为穿过铁道而担心。
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Their first problem was crossing over a huge mountain.
他们第一个问题是翻越一座高山。
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Moose reached Isle Royale in Lake Superior by crossing over winter ice and multiplied freely there in isolation without predators.
麋鹿穿过冬天的冰雪，到达苏必利尔湖的皇家岛，在那里，它们没有天敌，自由繁殖。
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Tom Waits is a singer/songwriter whose voice sounds like a truck crossing over hundreds of stones.
VOA: special.2011.03.21
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The hymn doesn't anywhere refer to people crossing over on dry land.
在赞美诗中并没有提到人们从地面上穿过海洋。
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Following a transformation the study of which is not the concern of the social sciences but rather of biology and psychology, a crossing over came about from a stage where nothing had a meaning to another where everything possessed it.
这门学科并不属社会科学的范畴,而是属于生物学，心理学，此种转变是一种跨越，从一个什么都没有意义的时代到,一个每样东西都能表达的时代的。
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