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，
新概念英语第四册
Lesson 19 The stuff of dreams
📚 句中词汇解析
从本句中提取的重要词汇
adv. 简单地，朴素地;（引出概括或解释）不过，仅仅;简直;<非正>实在;
💡 sim一次 + ply 折叠 →折一次 → ad.简单地；朴素地
"The clock is simply for ornament; it doesn't work any more."
这架时钟纯属摆设，它再也不走了。
近义：just, merely, only, purely, solely, but
反义：elaborately, painfully, wearisomely, challengingly, hardly
n. 装置，设备;方法;策略;手段;
💡 de(dis-=apart)+vice(see)→发明物；图案；策略
"Players use a haptic device such as a joystick to control the game."
游戏者用游戏杆之类的触觉设备玩游戏。
近义：motto, apparatus, appliance, implement, jigger, artefact
adj. 用电的，与电有关的，电学的;令人激动的，紧张的，惊人的;
💡 electric电+ al...的 → 电的，电气科学的
"electrical labour-saving devices around the home"
节省劳力的各种家用电器
近义：powered, electric
n. 活动;活跃，敏捷;活动力;教育活动;
💡 act行动，做+ivity状态→活动
"The streets were noisy and full of activity."
街上熙熙攘攘，车水马龙。
近义：motion, action, job, occupation, profession
反义：idleness, inaction, inertia, laziness, leisure, otioseness
n. 第一，最初;头等;一号，;[乐]高音部;
adv. 最早，最初;首次;宁愿;优先;
adj. 第一流的;最初的，最早的;基本的，概要的;高音的;
num. 第一;
💡 泰森 第一拳(fist)打在稻草(r)人身上，训练
"Freud first mentioned this concept in his paper'On Narcissism '."
弗洛伊德在他的论文《论自恋》中首次提到了这个概念.
近义：initial, beginning, prime, foremost, initiative, preliminary
反义：hindermost, hindmost, latest, latter, rearmost, utmost