| 单词 | annual ring |
| 释义 | annual ringnounan annual formation of wood in plants, consisting of two concentric layers, one of springwood and one of summerwood. Also called growth ring, tree ring. Origin of annual ringFirst recorded in 1875–80 Words nearby annual ringannualize, annually, annual parallax, annual percentage rate, annual report, annual ring, annuitant, annuit coeptis, annuity, annuity certain, annul Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for annual ringannual ring nouna ring of wood indicating one year's growth, seen in the transverse section of stems and roots of woody plants growing in temperate climatesAlso called: tree ring Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for annual ringannual ring See under growth ring. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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