Upgradation
升級；改善；提高
??? 情景例句
I see, it's not easy to marry and start a family. So when's the wedding?
我明白，要組織一個(gè)家庭并不容易。那么婚禮訂在哪天舉行？
There is nothing either good or bad, but thinking makes it so.
事情本無好與壞，全在自己怎么想。
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,
第一點(diǎn)，腦電圖記錄儀（不過是一種把電極接到頭皮上記錄腦電活動的儀器）顯示，人在睡眠時(shí)大腦活動的方式有變化，