新冠病毒溯源

1

新冠病毒溯源是科学问题，应由全球科学家合作开展有关工作。

The WHO and international experts fully on origin-tracing , which is a scientific issue that should be jointly studied by scientists all over the world .
2

中国-世界卫生组织新冠病毒溯源联合研究专家组中方组长梁万年：今年初，世界卫生组织—中国联合专家组到武汉做病毒溯源研究。

Earlier this year , Chinese and international experts visited Wuhan to study the origin of the virus , which was organized by the World Health Organization .
3

中方对美国新冠病毒溯源报告进行了谴责。

China is denouncing a U.S. report on the origins of the COVID-19 virus .
4

马朝旭表示，新冠病毒溯源是一个复杂的科学问题，应该也只能由全球科学家合作开展研究。

Ma says tracing the COVID-19 virus is a complex scientific matter that should only be undertaken by scientists around the world through joint research .