| 单词 | autumn wood | 
| 释义 | > as lemmasautumn wood   autumn wood  n. the portion of the annual growth of a tree which is formed later in the growing season and is typically denser and harder than the rest of the wood; = latewood n. at late adj.1 Compounds 4.Cf. spring wood n. 2. ΘΚΠ the world > plants > part of plant > part of tree or woody plant > wood > 			[noun]		 > ring or layer > formed earlier or later summer wood1783 spring wood1840 autumn wood1863 latewood1872 early wood1893 1863    J. Justen in  Builder 21 Feb. 131/3  				A pine with small yearly rings is of good quality, for we find each spring or summer ring surrounded with riper autumn wood, richly saturated with resin. 1885    G. L. Goodale Physiol. Bot. 		(1892)	 139  				That [wood] which is produced earliest (spring wood) has somewhat larger ducts and wood-cells than that which is formed later (autumn wood). 1964    Forestry Terminol. 		(Soc. Amer. Foresters)	 		(ed. 3)	 95/2  				Wood, late, the denser, smaller-celled, later-formed part of a growth layer. Syn. Autumn wood; Summer-wood. 2012    Current Microsc. Contributions Adv. Sci. & Technol. 1078  				Cells in spring wood have thinner and weaker walls than those in autumn wood. < as lemmas | 
| 随便看 | 
 | 
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。