共有 227 条搜索结果
    时长:2.0分钟 · 语速:166wpm
    来源:刘立军 · 2021-03-09
    播放:4187次
    President Joe Biden has signed executive orders requiring people to wear masks
    时长:1.0分钟 · 语速:167wpm
    来源:刘立军 · 2021-03-10
    播放:1969次
    “Science will always be at the forefront" of Joe Biden's administration
    时长:3.0分钟 · 语速:189wpm
    来源:刘立军 · 2021-03-12
    播放:1807次
    A Team from the WTO Visited Hospitals in Wuhan
    时长:1.9分钟 · 语速:191wpm
    来源:刘立军 · 2021-03-12
    播放:1353次
    Biden to be sworn in as Trump leaves White House
    时长:3.4分钟 · 语速:173wpm
    来源:刘立军 · 2021-04-26
    播放:1979次
    Can cats catch COVID-19 ?
    时长:3.3分钟 · 语速:172wpm
    来源:刘立军 · 2021-05-19
    播放:1421次
    The Secret of Masks
    时长:4.6分钟 · 语速:139wpm
    来源:刘立军 · 2021-05-19
    播放:1828次
    Does Wearing Two Masks Provide More Protection?
    时长:2.4分钟 · 语速:155wpm
    来源:刘立军 · 2021-05-20
    播放:1161次
    Misinformation about coronavirus can have serious consequences
    时长:1.0分钟 · 语速:175wpm
    来源:刘立军 · 2021-05-20
    播放:1026次
    COVID-19 vaccines face a big partisan gap in the US
    时长:0.9分钟 · 语速:202wpm
    来源:刘立军 · 2021-05-20
    播放:1119次
    German suspend the use of the AstraZeneca coronavirus vaccine for the under-60s
    时长:0.9分钟 · 语速:178wpm
    来源:刘立军 · 2021-05-20
    播放:1054次
    A new Biden Administration survey finds that the prospect of schools reopening is grim
    时长:2.1分钟 · 语速:115wpm
    来源:刘立军 · 2021-06-10
    播放:1288次
    Rutegers University requires all students to be vaccinated before this Fall semester
    时长:1.3分钟 · 语速:159wpm
    来源:刘立军 · 2021-06-10
    播放:1477次
    Joe Biden celebrated the delivery of 200 million vaccinations in the US
    时长:0.8分钟 · 语速:198wpm
    来源:刘立军 · 2021-06-10
    播放:1047次
    India recorded for the first time more than 4,000 coronavirus deaths in one day
    时长:2.3分钟 · 语速:155wpm
    来源:刘立军 · 2021-07-22
    播放:1389次
    U.S. authorized vaccines for use in children as young as 12