同根派生 red alder相關(guān)詞英漢例句Alder trees belong to the birch family.赤楊屬于樺木科。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，臺灣赤楊對于林分林木生長競爭之影響仍大于臺灣杉。red alder更多例句