Julie Wakefield is a science and technology writer based in Washington, D.C. Julie Wakefield is writing a book on the adventures of Edmond Halley.是什么意思_Julie Wakefield is a science and technology writer based in Washington, D.C. Julie Wakefield is writing a book on the adventures of Edmond Halley.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句