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来源:雅诚德英语网
In recent decades, mosquito vectors of chikungunya have spread to Europe and America.
最近几十年,基孔肯雅热的蚊子媒介已传播到欧洲和美洲。
In recent decades, mosquito vectors of chikungunya have spread to Europe and America.
最近几十年,基孔肯雅热的蚊子媒介已传播到欧洲和美洲。