| 单词 | poplar |
| 释义 | poplar noun[C] uk/ˈpɒp.lər/us/ˈpɑː.plɚ/atalltreewithbranchesthatformathinpointedshape: 白杨树atallrowof poplars一排高大的白杨树  DNY59/E+/GettyImages Deciduous trees
poplar| American Dictionarypoplar noun[C] us/ˈpɑp·lər/atall,straight, fast-growingtreewithsoftwood Examplesofpoplarpoplar The tremblingpoplarshelterbelt trees make movement audible. From theCambridge English Corpus In practice, knowledge of the developmental genetic basis of growth is crucial to increasing the efficiency of early selection inpoplar. From theCambridge English Corpus Considerable non-additive genetic variation observed in the triploidpoplarpopulation seems to disagree with these traditional views. From theCambridge English Corpus From year 14, strong competitive interactions occur amongpoplartrees due to the closure of canopies. From theCambridge English Corpus The wood normally used for the roof beams is juniper orpoplar. From theCambridge English Corpus But this is at best a sapling or a medium-sizedpoplar. From theCambridge English Corpus In this study, we do not know # whether this is the same major gene that affects height and diameter growth in thepoplarhybrids. From theCambridge English Corpus When canopies close, strong competitive interactions occur amongpoplartrees in the stand. From theCambridge English Corpus Continuous infusion is the mostpoplartechnique (54.3% of units) whereas 47.9% of units use intermittent top-ups. From theCambridge English Corpus Poplartrees and sunflower are typically light-demanding plants and have high photosynthetic capacity. From theCambridge English Corpus Thus, an understanding of the genetic mechanisms underlying wood stem production inpoplarshould be integrated with the biological process of growth and development. From theCambridge English Corpus Unlike crop annuals,poplaris long-lived and needs many years to achieve harvest ages in the field. From theCambridge English Corpus Yield physiology of short rotation intensively cultured poplars. From theCambridge English Corpus Under such unfavourable conditions, maples might look just like oaks or poplars to most observers, though perhaps trained botanists could find features by which to identify them properly. From theCambridge English Corpus Several forest tree species, such as conifers,poplar, sweet gum and eucalypts, have been bioengineered, but they have not so far been released for commercial purposes. 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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