The postural tremor was the main manifestation of essential tremor,tremor affected hand in 92.5% patients,throat in 21.3%,head in 20%,chin in 17.5%.是什么意思_The postural tremor was the main manifestation of essential tremor,tremor affected hand in 92.5% patients,throat in 21.3%,head in 20%,chin in 17.5%.在线翻译_英语_读音_用法_例句