alder

音标发音

• 英式音标 [ˈɔːl.dər]
• 美式音标 [ˈɔldɚ]
• 国际音标 ['ɔ:ldə]
• 英式发音
• 美式发音

基本解释

• n.[植]赤杨；桤木

同根派生

英汉例句

• Modification for synthetic purposes on the Diels - Alder adducts 56 and 62 has only rarely been considered.
  为了达到合成的目的,对Diels-Alder加 成物(56)和(62)加以改造的问题很少有人考虑.
• The meanders of a prattling brook, were shaded with straggling willows and alder trees.
  一条小河蜿蜒掩映在稀疏的柳树和桤树的树荫间,淙淙作响.
• Its name is Ben Alder , it is a wild , desert mountain full of hills and hollows.
  它的名字是本·亚尔德, 是一座尽是些山岗和鸡谷的漠无人烟的荒山.
• The meanders of a prattling brook, were shaded with straggling willows and alder trees.
  一条小河蜿蜒掩映在稀疏的柳树和桤树的树荫间,淙淙作响.
• Its name is Ben Alder , it is a wild , desert mountain full of hills and hollows.
  它的名字是本·亚尔德, 是一座尽是些山岗和鸡谷的漠无人烟的荒山.

词组短语

短语

• japanese alder 赤杨;日本桤木;赤杨榛
• Doug Alder 阿尔德;阿德勒
• Jacqueline Alder 杰奎琳·奥德;阿尔德
• Alder Yarrow 作者艾德·雅罗;德·亚罗;艾德·雅罗
• white alder 菱叶桤木;美国赤杨

英英字典

剑桥英英字典

• a tree of the birch family, that usually grows near water

柯林斯英英字典

• An alder is a species of tree or shrub that grows especially in cool, damp places and loses its leaves in winter.

专业释义

农业科学

• 赤杨
• 桤木

地球科学

• 赤杨

机械工程

• 赤杨木

土木建筑工程

• 赤杨类