“springwood”的概念、定义、翻译、参考文献-科学参考

单词	springwood
释义	springwood [`spriŋ´wu̇d] ^BOTANY The portion of an annual ring that is formed principally during the growing season; it is softer, more porous, and lighter than summerwood because of its higher proportion of large, thin-walled cells.
随便看	frangulic acid Frankfurt horizontal Frankia Frankiaceae frankincense frankincense oil Frankland's method franklin franklin centimeter Franklin equation franklinite Frank partial dislocation Frank-Read source Franz-Keldysh effect Frary metal Frasch process Fraser's air-sand process fraternal twins Fraude's reagent fraunhofer Fraunhofer corona Fraunhofer diffraction Fraunhofer lines Fraunhofer region Fraunhofer spectrum

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