leaf brown

A: Then a brown leaf fell. A red leaf fell too.

然后一片棕色的叶子掉下来了, 一片红色的叶子也掉下来了.

North American orchid bearing a single leaf and yellowish-brown flowers.

北美洲的一种兰花,在晚夏每茎长出一片褶叠的常绿叶,在春季发出一枝有褐色花的花葶.

Tea brown blight ( Guignardia camelliae) is one of several main leaf diseases of tea plant, having been more serious in some areas in recent years.

茶云纹叶枯病是茶树叶部主要病害之一，近些年来在局部地区发生比较严重，针对这种病害我们进行了相关研究。

The disease spot happen under the leaf tip and leaf edge, at first, it is a dust-color tittle, then expands becoming brown roundness, the disease spot present unclear wheel sometimes, the abnormity appear after a few disease spots conformity.

病斑多发生在叶尖、叶缘，初为暗褐色小点，后扩大成褐色圆斑，病斑上有时出现不明显轮纹，有的病斑处呈环状脱落，有的病斑几个融合后呈不规则形。

Orchid growing along streams or ponds of western North America having leafy stems and 1 greenish-brown and pinkish flower in the axil of each upper leaf.

生长于北美西部溪边或池塘边的兰花，茎多叶，花生于叶腋顶部、呈浅绿色或浅紫色。

Bow window sticks of brown leaf green.

低头,窗外枝褐叶绿.