The World Health Organization team investigating the origins of coronavirus has visited a Wuhan laboratory that has become a focal point of theories suggesting a leak was responsible for the pandemic.
世界衛生組織(WHO)調查新型冠狀病毒(SARS-CoV-2)起源的小組參觀了武漢的一個實驗室，有多種理論稱導致此次大流行的病毒是從該實驗室泄露出來的。
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