慢速英语:In Fight Against Troubling Viruses, Vaccines Offer Hope
日期:2017-01-03
Words in This Story
impact – n. a powerful or major influence or effect
blow – n. an unfortunate or calamitous happening <failure to land the job came as a blow>
extraordinary – adj. extremely good or impressive
eliminate – v. to remove (something that is not wanted or needed) : to get rid of (something)
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