brown patches是什么意思

own patch【植物病理学】(草地)褐斑病,褐块
例：a strong slender smooth-haired dog of Spanish origin having a white coat with brown or black patches; scents out and points game.
西班牙血统的强壮瘦长、毛发光滑的狗,白色皮毛上间杂着褐色或黑色斑点；循嗅迹追猎并指示猎物位置.
In 2006,a hunter in the Canadian Arctic shot a bear that had white fur like a polar bear's but had brown patches,long claws and a hump like a grizzly bear's.
2006年,一位猎人在加拿大的北极地区射杀了一只奇怪的熊,它的皮毛如同北极熊一般呈现出白色,但夹杂着褐色斑点,长爪子和弓起的背部又表现出灰熊的特征来.
Foliage dull green with bronze or purple-brown surface markings becoming irregular pale brown necrotic patches; leaf margins wavy and interveinal regions sometimes puckered or corrugated.
叶片暗绿,表面青铜色或紫褐色斑纹转变成不规则浅褐色斑纹,叶缘波浪形,脉间有时收缩或呈波纹状.

褐斑病