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来源:雅诚德英语网
Looking to the future, though, we asked him what the prospects are for a vaccine to prevent infection in the first place.
然而,展望未来时,我们首先问他一种预防传染的疫苗前景如何。
Looking to the future, though, we asked him what the prospects are for a vaccine to prevent infection in the first place.
然而,展望未来时,我们首先问他一种预防传染的疫苗前景如何。