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来源:雅诚德英语网
Though sucking zinc lozenges has been promoted as a treatment for the common cold, research has revealed no consistent effect.
虽然吸锌片已经被推广为治疗普通感冒的药物,但研究显示并没有一致的效果。
Though sucking zinc lozenges has been promoted as a treatment for the common cold, research has revealed no consistent effect.
虽然吸锌片已经被推广为治疗普通感冒的药物,但研究显示并没有一致的效果。