n.[植]赤杨；桤木
alder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
alder例句
用作名词(n.)
Alder trees belong to the birch family.
赤杨属于桦木科。
