亚洲乱码中文字幕综合视频|亚洲国产综合精品二区|国产在线精品一区二区不卡顿|中文乱码在线播放亚洲

<object id="6gxjn"><tt id="6gxjn"></tt></object>
<span id="6gxjn"></span>
  • <address id="6gxjn"><ul id="6gxjn"><strike id="6gxjn"></strike></ul></address>
  • <label id="6gxjn"></label>

    <style id="6gxjn"></style>

    <address id="6gxjn"></address>
    <pre id="6gxjn"></pre>
    備考四六級之詞匯篇——疫情高頻詞匯

    備考四六級之詞匯篇——疫情高頻詞匯

    2020-02-10    09'35''

    主播: Learning English with Cindy

    321 4

    介紹:
    1.novel coronavirus 2.coronavirus 3.pneumonia caused by the novel coronavirus/the novel corona virus - caused pneumonia 4.comfired cases 5.suspected cases 6.patients in critical condition 7.fatality rate 8.close contacts 9.be under medical observation 10.quarantine 11.incubation period 12.human-to-human transmission 13.droplet transmission 14.fever, cough and difficulty in breathing 15.secondary infection cases 16. epidemic prevention and control 17.(face)mask 18.protective clothing/suits 19.goggles 20disposable gloves 21.medical supplies 22.vaccine 23.the lockdown of a city/a city is on lockdown 24.first -level public health emergency response 25.National Health Commission(NHC)