慢速英语:New Rotavirus Vaccine Could Save Thousands of Children

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1.introduce vt.介绍; 引进; 提出
例句：The Government has introduced a number of other money-saving moves
政府已经采取了其他一些省钱的举措。

2.believe vt.相信; 信任; 以为
例句：Experts believe that the coming drought will be extensive
专家们认为即将发生的旱灾将侵袭大片地区。

3.clinical adj. 临床的; 诊所的; 冷静的
例句：The first clinical trials were expected to begin next year.
第一批临床实验有望明年开始。

4.refrigeration n.冷藏，冷冻
例句：The sources for humidity, dehumidification, heating, and refrigeration are all packaged in one self-contained unit.
湿度，除湿，加热和制冷源都包含在一个整装式设备中。

5.approve vt.赞成，同意
例句：Not everyone approves of the festival
不是所有人都赞成庆祝该节日。