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Sengupta realized the balloon-within-a-balloon structure could help him tackle the drug delivery challenge.
森古普塔马上意识到，这种气球套气球的结构也许可以帮助他解决给药的难题。
youdao
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Sengupta realized the balloon-within-a-balloon structure could help him tackle the drug delivery challenge.
森古普塔马上意识到，这种气球套气球的结构也许可以帮助他解决给药的难题。
youdao