the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude.是什么意思_the normal brainwave in the encephalogram of a person who is awake but relaxed and drowsy; occurs with low frequency and low amplitude.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句