🧩 词语组成解析
chair
[tʃɛr]
n. 椅子;大学教授职位;主持会议的主席（的席位或职位）;讲座;
vt. 主持;使…入座;使就任要职;
🗣️ 情景例句
I want some whiskey straight up.
我想要些纯威士忌。
He has left already .
他已经离开了。
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，