Peracetic acid
[化] 过乙酸; 过醋酸
🧩 词语组成解析
🗣️ 情景例句
Coming! Coming!
来了， 来了。
What are you writing?
你正在写什么？
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，