常見(jiàn)例句Many palms grow in the understorey of rainforests in Asia and the Americas. 以熱帶美洲和熱帶亞洲為其分布中心。Tropical forest is wetter and usually supports only knee-high fires that spread slowly through the understorey. 熱帶森林更加潮濕并且通常只能維持在下層植被中蔓延的膝蓋高的火情。Forests are important habitats for birds and, in temperate forests, small mammals which inhabit the dense understorey. 森林對(duì)鳥(niǎo)類(lèi)來(lái)說(shuō)是重要的棲息地,而且在溫帶森林里,小型的哺乳動(dòng)物居住在稠密的森林下層。Seedling and sapling in understorey 在林下出現(xiàn)幼樹(shù)幼苗的種類(lèi)Review of Studies on Understorey of Plantations 人工林林下植被的研究現(xiàn)狀Understorey vegetation restoration 林下植被恢復(fù) 返回 understorey