The United States will be represented at the ceremony Friday by Ambassador John Roos.
美国驻日大使鲁斯将代表美国出席星期五的仪式。
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U. s. Ambassador John Roos is expected to lay a wreath at the memorial in remembrance of the bomb victims.
美国大使约翰·鲁斯将会为核爆受害者献上花圈以示缅怀。
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Womack, J., Jones, D. and Roos, d., "the Machine that Changed the World", Rawson Associates, New York, and Maxwell Macmillan International, Oxford, 1990.
沃麦克(Womack, J .)、琼斯(Jones, D .)和鲁斯(Roos, D .)合著的《改变世界的机器》，纽约罗森联合出版社和牛津麦斯威尔·麦克米伦国际出版社，1990年第一版。