落叶

Histopathologically, intraepidermal acantholysis is located at the granular layer in PF and suprabasally in PV.

病理，性天疱疮表层内棘层松解位于颗粒细胞层里，而寻常性天疱疮则位在基底层之。

Deciduous trees shed their leaves in autumn.

树木在秋天。

Overgrown deciduous shrubs can be cut back at this time of year.

过于繁茂灌木可以在每年这个时候修剪。

Most trees lose their foliage in winter.

大多数树木在冬天。

Children enjoy kicking piles of dead leaves around.

孩子们喜欢把一堆堆踢得到处都是。

Those are vesperal falling leaves, which I have longed for a whole autumn!

那是夜啊！渴望了整整一个秋天。

The gardener began to heap up the fallen leaves.

丁开始把堆起来。

The path was bestrewn with fallen leaves.

小径满铺。

The trees began shedding their leaves.

树木开始。

Sumac leaves glow red in the autumn light at the Tallgrass Prairie National Preserve in Cottonwood Falls, Kansas.

漆树发出光芒红色在秋天亮光，在Tallgrass大草原保存地是白杨一种，堪萨斯州。

Vietnamese victims of Agent Orange, a poisonous defoliant used by America in the war, are still seeking compensation.

剂（美军在越战中使用一种毒素）越南受害者仍在要求获得赔偿。

Formed by subtropical green broadleaves and temperate deciduous broadleaf trees, the mountain is valued highly for observing plant chorology.

山不但分布有热带常绿阔林，而且有温带阔林，对植物分布研究，具有重要价值。

Chimonanthus, which includes 5 vegetation form, mainly grows in the evergreen defoliate broad-leaved mixed forest and evergreen broad-leaved forest.

蜡梅属植物跨有5个植被类型，主要生长在常绿阔混交林和常绿阔林地带。

The lake, which once in a while we played friskily, had been covered by the fallen leaves, gleaming in the sunshine.

我们曾经孩子般戏水畅游过小湖盖满，在太阳下闪着光。

Modified larch tannin was prepared by grafting copolymerization and sulfoalkylation, and successfully used as retanning agent, possessing good water solubility and enhanced penetration rate.

利用接枝共聚和磺烷基化方法对松单宁改性。

Larix kaempferi Carr. seedlings were more photophilic and had strong photosynthetic capacity, which were not prone to photoinhibition,while Larix gmelinii Rupr. seedlings were more shade-tolerant.

日本松幼苗较喜光，光合作用能力较强，不易发生光抑制，而兴安松幼苗较耐阴。