单词:tertiary healthcare
[网络] 三级医疗服务
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North Korea Slowly Goes Online Slowly, North Korea is entering the online world. Thanks to technology, North Korean doctors can talk to patients through online video conferencing. Speeches given at Kim Il Sung University in Pyongyang, the capital, ca
发表于:2019-01-03 / 阅读(35) / 评论(0)
2017年VOA慢速英语(十一)月