Rnt
abbr. residual nitrogern time 氮停留时间; roentgenologist 德国物理学家; roentgenology X光线学; X光科
🗣️ 情景例句
I reminded him to work hand.
我提醒他要用功。
What can I do?
我该怎么办哪？
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，