慢速英语:出现无法解释疾病 新冠肺炎疫苗试验再次暂停
日期:2020-10-14
Words in This Story
illness - n. a condition of being unhealthy
clinical - adj. of or relating to the medical treatment that is given to patients in hospitals, clinics, studies...
alert - adj. able to notice
inflammation - n. a condition in which a part of your body becomes red, swollen and painful
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