alder
/'ɒ:ldә/
📖 中文释义
- n. 桤木
- [机] 赤杨木
🧩 词形变化
复数 alders
📘 English Definition（英文释义）
- n. wood of any of various alder trees; resistant to underwater rot; used for bridges etc
- n. north temperate shrubs or trees having toothed leaves and conelike fruit; bark is used in tanning and dyeing and the wood is rot-resistant