名词
中文翻译：沙石痕迹
同义词：
['soil stain', "soil spot例句：1. The old treehad a sap stain on its trunk.（那棵老树的树干上有沙石痕迹。）2. The dirt was stained with thesap stain of the wildflowers.（泥土被野花的沙石痕迹染上了颜色。）3. The car's paintwas covered in sap stains fromthe rain.（汽车的漆面被雨水中的沙石痕迹覆盖了。）"]
例句：
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1. The old treehad a sap stain on its trunk.
那棵老树的树干上有沙石痕迹。
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2. The dirt was stained with thesap stain of the wildflowers.
泥土被野花的沙石痕迹染上了颜色。
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3. The car's paintwas covered in sap stains fromthe rain.
汽车的漆面被雨水中的沙石痕迹覆盖了。