“summerwood”的概念、定义、翻译、参考文献-科学参考

单词	summerwood
释义	summerwood [`sǝm·ǝr´wu̇d] ^BOTANY The less porous, usually harder portion of an annual ring that forms in the latter part of the growing season.
随便看	backfurrow back gearing Back-Goudsmit effect back gouging background background count background discrimination background genotype background ink background luminance background mass spectrum background noise background processing background program background radiation background reflectance background returns background signal back gutter backhand welding back-haul back hearth backhoe back holes backing

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