sapwood [ˈsæpwʊd]

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单词级别

附加级

基本释义

边材

参考例句

Sapwood contains xylem vessels, but not as strong as heartwood. 边材含有木质导管，但不如中心木质那样坚硬。来自辞典例句
Thecolor of sapwood of Chinese white poplar among trees has significant difference. 毛白杨边材材色株间存在显著差异。来自互联网

sapwood [ˈsæpwʊd]

单词级别

基本释义

参考例句

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