| 单词 | cross-pollination |
| 释义 | cross-pollination noun[U] biologyspecializeduk/ˈkrɒsˌpɒl.əˈneɪ.ʃən/us/ˈkrɑːsˌpɑːl.əˈneɪ.ʃən/theprocessby whichpollen(=powderproducedby themalepartof aflower)iscarriedfrom oneflowerto another bywind,insects, etc. 异花受粉Plant reproduction
cross-pollination| American Dictionarycross-pollination noun[U] us/ˈkrɔsˌpɑl·əˈneɪ·ʃən/biology theprocessby whichpollen(=powderproducedby themalepartof aflower)iscarriedfrom oneflowerto another bywind,insects, etc. Examplesofcross-pollinationcross-pollination Although it was well-known that rice is mainly self-pollinating, it was also known that somecross-pollinationcan take place. From theCambridge English Corpus The development of electronic means of sound recording, reproduction and transmission has allowed across-pollinationof sonic environments to a degree never before imaginable. From theCambridge English Corpus The significance ofcross-pollinationfor various olive cultivars under irrigated intensive growing conditions. From theCambridge English Corpus To prevent accidental legitimatecross-pollination, plants with pin-type flowers and plants with thrumtype flowers were grown in separate chambers. From theCambridge English Corpus There is the potential for genetically modified organisms to contaminate crops throughcross-pollination, making them unfit for sale through the organic market. From theCambridge English Corpus Therefore, natural seed-set in the population probably occurs as a result of bothcross-pollinationand autogamy. From theCambridge English Corpus Up to 20% out-crossing can occur due tocross-pollinationby insects. From theCambridge English Corpus Manual crosspollination using male-sterile plants to produce large quantities of hybrid seed is difficult and time-consuming because of the low success rate incross-pollination. From theCambridge English Corpus Thirdly, very few inflorescences flowered in synchrony, increasing the probability ofcross-pollination. From theCambridge English Corpus Seeds for rootstocks were produced by manual pollination with flower buds capped before anthesis and after manual pollination to prevent accidentalcross-pollination. From theCambridge English Corpus The bromeliad showed a flexible breeding system with autogamy occurring in addition tocross-pollination. From theCambridge English Corpus Thus, they endeavour to promotecross-pollinationof ideas from fields that may not otherwise have obvious overlap, and the idea works well. From theCambridge English Corpus Insect-mediatedcross-pollinationresults in fertilization followed by zygote formation in 50% of the ovaries. From theCambridge English Corpus Yields andcross-pollinationof soybean as affected by honey bees and alfalfa leafcutting bees. From theCambridge English Corpus Newly opened flowers were hand pollinated daily by legitimatecross-pollinationusing pollen from flowers on racemes cultured at the same temperature as the receiving flowers. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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