杨柳科(Salicaceae)杨树属(Populus)的几种速生乔木,原产於北美。叶三角形,有齿,下垂,在风中沙沙作响。种子有絮毛。东方三角叶杨(P. deltoides)高约30公尺(100呎),叶片厚而光亮。
在小溪河床附近,有时能呈现三角叶杨。
Close to streambeds, cottonwoods can at whiles be searched. Though.
在生态学世界中,几株瘦骨嶙峋的三角叶杨通常没什么好令人兴奋的。
Several scrawny cottonwood trees do not usually generate much excitement in the world of ecology.
没人会记得它们埋葬在这里,尽管三角叶杨、柳树和棕榈树的根茎或许偶尔会发现它们的存在。
No memorial will mark their burial, though the roots of cottonwoods, willows, and palms may occasionally make note of their presence.
应用推荐