字典網>> 英漢字典>> F開頭詞條>>first hand knowledge的意思 漢英字典first hand knowledge中文翻譯：【法】 第一手的直接知識, 第一手材料 英文字典相關詞條：first polar bodies first-aid cabinet first notice day first order spectrum first stage first-order reaction first marriage first selecto first-prize winner first class misdemeanant