BACKGROUND: The decrease of activity level of choline acetyltransferase (ChAT) and reduction of membrane protein of synaptic vesicles are the main biochemical indexes in Alzheimer disease.是什么意思_BACKGROUND: The decrease of activity level of choline acetyltransferase (ChAT) and reduction of membrane protein of synaptic vesicles are the main biochemical indexes in Alzheimer disease.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句