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.
美國科學家正在與中國合作,調查新型冠狀病毒的源頭,盡管特朗普(Trump)政府批評北京方面未與外界合作遏制該疾病的蔓延。
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