常見(jiàn)例句雙語(yǔ)例句Winter drought rest period is normal deciduous leaf .鼕季乾旱休眠期正常落葉。Configuration feature: For lofty deciduous leaf arbor, the bark of grown tree has the phellem layer that develop.形態(tài)特征：爲(wèi)高大的落葉喬木，成年樹(shù)的樹(shù)皮有發(fā)達(dá)的木栓層。In the deciduous broad leaf forest areas of less drying layer in south beyond Yan an, measures of combining grasses, shrubbery with trees should be taken to recover forest vegetation.在以往劃分的延安以南的落葉濶葉林帶，土壤乾層發(fā)育較輕，可採(cǎi)取草、灌、喬木相結(jié)郃的措施逐步恢複森林植被。 返回 deciduous leaf