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单词
blue stain
释义
blue stain
noun
also
blue sap stain
:
a bluish discoloration of sapwood caused in many trees and especially conifers by any of various fungi (as of the genera
Ceratostomella, Penicillium,
or
Fusarium
)
— compare blue rot
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更新时间:2026/5/19 3:41:20