Deciduous trees shed their leaves in autumn.

落树木在秋天落。

The path was bestrewn with fallen leaves.

小径上落满铺。

The gardener began to heap up the fallen leaves.

园丁开始把落堆起来。

Most trees lose their foliage in winter.

大多数树木在冬天落。

The trees began shedding their leaves.

树木开始落。

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

那是夜晚的落啊！渴望了整整一个秋天。

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

过于繁茂的落灌木可以在每年的这个时候修剪。

Children enjoy kicking piles of dead leaves around.

孩子们喜欢把一堆堆的落踢得到处都是。

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

落剂（美在越战中使用的一种落毒素）的越南受害者仍在要求获得赔偿。

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

病理上，落性天疱疮的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上。

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

漆树发出光芒的红色在秋天的亮光，在Tallgrass大草原保存地是白杨的一种落，堪萨。

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

梅属植物跨有5个植被类型，主要生长在常绿落阔混交林和常绿阔林地带。

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

山上不但分布有热带常绿阔林，而且有温带落阔林，对植物分布的研究，具有重要的价值。

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的小湖盖满落，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的方法对落松单宁改性。

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.

日本落松幼苗较喜光，光合作用能力较强，不易发生光抑制，而兴安落松幼苗较耐阴。