Both are acceptable

来源: pantsonfire 于 2010-10-02 20:54:35 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (53 bytes)
回答: Five milliliters of blood 由 Who? 于 2010-10-02 12:02:28

Instances of both have occurred in reputable sources.

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