英语词汇black discolouration是什么意思，black discolouration的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典-觉斋网

单词	black discolouration
释义	black discolouration　变黑, 出现黑斑(于烧成物表面)black dogn.【俗】沮丧, 意气消沉
随便看	item name item of business item of business item of duty item of expenditure item of expenditure item of expenditure item of parcel item of tax item on the agenda item on the agenda item on the agenda item packaging item received in advance item repairing order item sample item sampling item separation symbol item size item veto item vote item-by-item item-by-item method item-on term file itemise

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