| 单词 | blue stain | 
| 释义 | > as lemmasblue stain   blue stain  n. a blue or green discoloration in timber caused by any of various ascomycete and deuteromycete fungi; (also) any of the fungi themselves (more fully  blue stain fungus). ΚΠ 1905    Ann. Rep. Dept. Agric. 91  				Blue stain of wood... It has been found that the blue stain is due to a fungus. 1973    Materials & Technol. VI. i. 110  				The conditions that favour the development of blue stain also encourage decay. 2008    New Phytologist 178 285/2  				Blue-stain fungi..mostly colonize wounds caused by beetles or are associated with them. < as lemmas | 
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