Chinese formally adopted as an official language of UNWTO

发布时间：2021-02-22 作者：奈特英语

Chinese formally adopted as an official language of UNWTO

上一篇: 43 million doses of China’s Sinopharm COVID-19 vaccine administrated worldwide, nation’s production

下一篇: Mainland-made Sinovac COVID-19 vaccines arrive in Hong Kong

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