US scientists are working with China to investigate the origin of coronavirus, despite criticism from the Trump administration that Beijing is failing to co-operate with outsiders to stem the disease.
美国科学家正在与manbetx3.0 合作，调查新型冠状病毒的源头，尽管特朗普(Trump)政府批评北京方面未与外界合作遏制该疾病的蔓延。
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