正文

VOA慢速英语:土耳其和巴西将使用中国的新冠疫苗

2020-12-06来源:和谐英语

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Words in This Story

phase - n. a part or step in a process

positively - adv. in a way that shows that you are hopeful and thinking about the good qualities of a situation

spike - n. a long, thin rod that ends in a point

efficacy - n. the power to produce a desired result or effect

determined - v. to learn or find out (something) by getting information