肉毒杆菌 (ròu dú gǎn jūn) = botulinum/botulism bacteria
毒素 (dú sù) = toxin
的 (de) = (possessive particle)
临床 (lín chuáng) = clinical
应用 (yìng yòng) = application/use
及其 (jí qí) = and its
前景 (qián jǐng) = prospects/outlook

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