英语单词“dull up”的翻译、意思、用法、释义-英汉词典

单词	dull up
释义	dull up1.■[美国英语]使阴暗；使暗淡，使失去光泽；使变钝：The hard bone has dulled up the knife blade.这硬骨头把刀刃弄钝了。
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