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nonextant的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
Adjective:
-
no longer in existence; lost or especially having died out leaving no living representatives;
"an extinct species of fish"
"an extinct royal family"
"extinct laws and customs"
-
no longer existing or inaccessible through loss or destruction;
"its nonextant original was written on vellum"
