freese 基本例句 n.弗里兹 The U. S. move away from“shockingly expensive” manned flight is a more sustainable model, said Joan Johnson- Freese, a professor at the U. S. Naval War College in Newport, Rhode Island. 罗德岛纽波特美国海军战争学院的教授琼•约翰逊-弗里泽认为美国放弃昂贵的载人飞行是个非常有助于可持续发展的范例。 xmnn