crossbreeding

英

美

n.  杂交，杂交育种（繁育）
v.  异种交配（crossbreed的现在分词）

TOEFL

柯林斯词典

• V-RECIP-ERG (使)杂交;杂交繁育
  If one species of animal or plantcross-breeds withanother, they reproduce, and new or different animals or plants are produced. You can also say that someonecross-breedssomething such as an animal or plant.
  1. By cross-breeding with our native red deer, the sika deer have affected the gene pool...
     通过与我们本地的赤鹿杂交，梅花鹿的基因库已经发生了改变。
  2. Unfortunately attempts to crossbreed it with other potatoes have been unsuccessful...
     不幸的是，将它与其他土豆品种杂交的尝试均告失败。
  3. Dr Russel is creating an elite herd by cross-breeding goats from around the globe.
     拉塞尔博士正通过把全球各地的山羊品种进行杂交来培育一个优良种群。
  4. ...a cross-bred labrador.
     混种拉布拉多猎犬
• (动物的)杂交品种
  Across-breedis an animal that is the result of cross-breeding.

英英释义

noun

• reproduction by parents of different races (especially by white and non-white persons)
  Synonym:miscegenationinterbreeding
• (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids
  Synonym:hybridizationhybridisationcrossingcrossinterbreedinghybridizing

双语例句

• Conventional breeding involves crossbreeding plants that have spontaneous rather than induced mutations for desirable traits, which can take up to ten years.
  传统育种需要让自然突变而非诱变的植物杂交从而寻找优秀的性状，这可能至多需要10年时间。
• The fate of the isolated species now rests entirely in a crossbreeding program with the closely related Idaho pygmy rabbit.
  现在，哥伦比亚盆地侏儒兔的命运如何完全依靠于科学家们实施的一项杂交繁育计划。
• In reality, genetic modification differs fundamentally from traditional crossbreeding, and there are very good scientific reasons for being concerned about the safety of GM crops.
  在现实中，基因改造与传统杂交育种根本性不同，有非常良好的科学理由使人们要关心转基因农作物的安全问题。
• The milk and growth performance of low production Holstein herd had been improved after crossbreeding for17 years and the rotational mating patterns made better improvement.
  经过杂交，原中低产荷斯坦牛群体在产奶性能、生长性能方面都有进展，轮回杂交提高幅度相对略高。
• By such ingenious adaptations to specific pollinators, or childs have avoided the hazards of rampant crossbreeding in the wild.
  通过巧妙地适应具体传粉昆虫，兰花避免了在野外杂交泛滥的危险。
• Investigation on the Crossbreeding effects of Limousin on Yellow Cattle in Beiliu Determination of Performance for First Filial Generation of Limousin with Local Yellow Cattle
  利木赞改良北流市黄牛效果调查研究利木赞牛与本地黄牛杂交一代性能测定
• The latest research achievements of Nanyang cattle improvement by crossbreeding with either Piedmontese or Charolais were introduced in the review.
  本文主要介绍了皮埃蒙特牛、夏洛来牛杂交改良南阳牛方面的最新研究成果。
• It is maybe a result of crossbreeding.
  它估计是杂交繁殖的结果。
• Three protocols including Jinnan cattle development, economic crossbreeding and gene bank construction was evaluated, and recommendations on three protocols was proposed.
  本文对晋南牛开发实施方案、经济杂交方案及基因库工作方案的内容给予了肯定的评价，并对三个方案提出了意见和建议。
• Progress on Provenance, Ecology and Crossbreeding Utilization of Wild Boar
  野猪种源生态与杂交利用的研究进展