名词中文翻译
中文翻译：黑痂
同义词：
['black spot', 'black mark']
例句：
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1.He had a black scab on his elbow that wouldn't heal.
他的肘部有个黑色的痂，一直不愈合。
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2.The doctor advised him to keep the wound clean and covered with a bandage.
医生建议他保持伤口清洁并用绷带包扎。
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3.She applied a paste to the scab and left it overnight for better healing.
她用一种膏剂涂抹在痂上，并让它过夜以便更好的愈合。