1. My scalp is full of dandruff and itchy. Is there a cure?
    我的头皮满是头皮屑, 又很痒, 有办法治吗?

2. My scalp is full of dandruff and itchy. Is there a cure?
    我的头皮满是头皮屑, 又很痒, 有办法治吗?

3. (which is simply a device 10 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,
    显示，人在睡眠时大脑活动的方式有变化，