英语资讯
News

非洲对新冠疫苗的不信任延缓了预防工作

Source: 恒星英语学习网    2021-05-03  我要投稿   论坛   Favorite  
Words in This Story

expire – v. to no longer be usable or good after a period of time

dose – n. the amount of a medicine, drug or vitamin this is taken at one time

immunity – adj. the power to keep yourself from being affected by a disease

clot – n. (medical) a mass of dried blood that stops blood from flowing through blood vessels


将本页收藏到:
上一篇:词汇节目:守旧的人
下一篇:年轻移民独自穿越美墨边境

最新更新
论坛精彩内容
网站地图 - 学习交流 - 恒星英语论坛 - 关于我们 - 广告服务 - 帮助中心 - 联系我们
Copyright ©2006-2007 www.Hxen.com All Rights Reserved