| 单词 | frost crack | 
| 释义 | > as lemmasfrost crack   frost crack  n. a crack or split caused by the stress created as a material freezes; spec. a vertical split in a tree trunk; cf. frost split n. ΘΚΠ the world > plants > by growth or development > defined by habit > tree or woody plant > characterized by quality or health > 			[noun]		 > damaged or injured > frost-damaged part frost crack1798 frost ring1896 1798    C. Marshall Introd. Knowl. & Pract. Gardening 		(ed. 2)	 xx. 407  				Frost-cracks in beds, fill up with sifted mould. 1894    H. M. Ward Laslett's Timber & Timber Trees 		(ed. 2)	 iv. 61  				An expansion may result at a certain stage of the freezing of the inner woody cylinder, and the consequence is a frost-crack. 1960    P. J. Kramer  & T. T. Kozlowski Physiol. Trees xvi. 490  				Frost cracks are more common in forest trees than in orchard trees. 2004    Backwoods Home Mag. Jan. 86/3  				Vertical frost cracks tend to develop with extremely low temperatures and water-stressed trees. < as lemmas | 
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