字典網>> 英漢字典>> D開頭詞條>>double option的意思 漢英字典double option中文翻譯：【經】 (購買與出售)雙重選擇權字典網 字典網相關詞條：double-pole singlethrow switch double jeopardy double-precision hardware doublet trigger double-address double-bucket doublet double shift double damages double hearth burner