名词
中文翻译：粉状的疮痂同义词
同义词：
['powdery crust', 'powdery scab']
例句：
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1. The patient's skin wascovered in a powdery scab.
患者的皮肤上覆盖着一层粉状的疮痂。
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2. The doctor advised him to keep thewound clean and dry until it healed.
医生建议他保持伤口清洁干燥直到愈合。
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3.The farmer applied a powdery scab to the wound to prevent infection.
农民将一层粉状的疮痂涂在伤口上以防止感染。