alder
美['ɔːldər] 英['ɔːldə(r)]
n. [植]赤杨；桤木
英英释义
Noun- wood of any of various alder trees; resistant to underwater rot; used for bridges etc
- north temperate shrubs or trees having toothed leaves and conelike fruit; bark is used in tanning and dyeing and the wood is rot-resistant
例句
用作名词(n.)- Alder trees belong to the birch family.赤杨属于桦木科。
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