基本解釋低樹層英漢例句雙語例句In shrub-tree stage , the species diversity in tree layer was lower than that of shrub layer .灌喬林過渡階段群落喬木層物種多樣性指數(shù)低，而灌木層多樣性指數(shù)高。lower tree layer更多例句詞組短語短語lower punch tree layer 低樹層lower tree layer更多詞組