one should take medicine upon cathing the disease.求翻译,重点在upon

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one should take medicine upon cathing the disease.求翻译,重点在upon

one should take medicine upon cathing the disease.求翻译,重点在upon
one should take medicine upon cathing the disease.求翻译,重点在upon

one should take medicine upon cathing the disease.求翻译,重点在upon
当患上这种疾病时应该马上服用药物.
upon 可翻做“当.的时候.”