He sat by the canal fishing on a Sunday morning in spring, at an elbow where alders dipped over the water like old men on their last legs, pushed by young sturdy oaks from behind. 在春天一个星期日的上午,他坐在运河边钓鱼,在他附近,赤杨树被后面生长着年轻茁壮的橡树向前推挤垂人水中,像垂死的老人一样。
Effect of mixtures with alders on soil fauna in plantation forest of Chinese fir 桤木混交对杉木人工林大型土壤动物群落的影响
Introduction and Early Adaptability of Exotic Alders 桤木属植物的引种和早期适应性
Characteristic Analysis of Alders at Different Grades of Wood-Ages 不同树龄桤木的原料特性分析