Amca
abbr. Air Moving and Conditioning (Control) Association <美>空气流动与调节（控制）协会
🗣️ 情景例句
Do you know that I mean?
知道我的意思吗？
Why did't you ask me?
为什么你不问我？
First the electroencephalograph (which is simply a device for recording the electrical activity of the brain by attaching electrodes to the scalp) shows that while there is a change in the pattern of activity during sleep,
第一点，脑电图记录仪（不过是一种把电极接到头皮上记录脑电活动的仪器）显示，人在睡眠时大脑活动的方式有变化，