短语词组短语undergrowth E 林下灌木丛Undergrowth vegetation 林下植被;林下植物undergrowth biomass 林下植被生物量thick undergrowth 茂密灌木丛undergrowth coverage 林下植被覆盖率Undergrowth Quality 地形装饰thorny undergrowth 荆棘undergrowth planting 不木栽植;下木栽植 返回 undergrowth