Second, vaccines are developed by established companies with deep R and D teams and experience.
其次,疫苗是由拥有深厚研发团队和经验的老牌公司开发的。
单词 | Deep R. |
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TED演讲(视频版) 2022年12月合集 Second, vaccines are developed by established companies with deep R and D teams and experience. 其次,疫苗是由拥有深厚研发团队和经验的老牌公司开发的。 |
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