名词
中文翻译：棕色斑点
同义词：
['brown patch', 'brown mark例句：1. The old apple tree had a brown spot on its trunk.（那棵老苹果树的树干上有一个棕色的斑点。）2. The farmer found a brown spot on the soil that needed to be treated.（农民发现土壤上有需要处理的棕色斑点。）']
例句：
-
1. The old apple tree had a brown spot on its trunk.
那棵老苹果树的树干上有一个棕色的斑点。
-
2. The farmer found a brown spot on the soil that needed to be treated.
农民发现土壤上有需要处理的棕色斑点。
-
3.The brown spot on the wall was caused by a water stain.
墙上的棕色斑点是由水渍造成的。