常见例句Alder trees belong to the birch family.赤楊屬於樺木科。However, the influence of red alder on growth and competition in the mixed stands still ranks first at this moment.雖然如此，但就目前而言，台灣赤楊對於林分林木生長競爭之影響仍大於台灣杉。 返回 red alder