alder

英 ['ɔːldə(r)] 美 ['ɔːldər]

• n. [植]赤杨；桤木

英英释义

Noun:

1. wood of any of various alder trees; resistant to underwater rot; used for bridges etc

2. 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.)

1. Alder trees belong to the birch family.
   赤杨属于桦木科。

词汇搭配

• Diels-Alder reaction 狄尔斯-阿尔德反应,...
• white alder 美国赤杨
• European alder 欧洲桤木
• black alder 赤杨
• woolly alder aphid 赤杨绵蚜
• alder buckthorn 药炭鼠李
• red alder 赤杨
• alder bark 赤杨树皮