alder
n.桤木
网络解释.赤杨木；桤木；赤杨；桤木类
词形变化:
复数：alders
双语例句
1. 1 . 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.
来自辞典例句