| 单词 | sapwood |
| 释义 | sapwoodWord family adjectivesapfulsaplesssappysapheadednounsaplessnesssaplingsappinesssapheadsapsuckersapwoodsappersapadverbsappily Plants sap·wood /ˈsæpwʊd/ noun [uncountableU] HBPthe younger outer wood in a tree, that is paler and softer than the wood in the middle 〔相对于心材颜色较淡、质地较软的〕边材 Examples from the Corpus sapwood• Division of these cells adds new bark to the outer side of the cambium and new sapwood to the inside.• The growth region is a thin band of cells called the cambium, which lies between the bark and the sapwood.• The infection court, said Ketchledge, permits the fungus to enter the cambium layer and the sapwood through the aggregated wounds.• Where most or all of the sapwood is missing, the felling date can not be identified. |
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