Positrocephalogram
[医] 阳电子脑瘤定位[描记]图
🗣️ 情景例句
A rolling stone gathers no moss.
滚石不生苔，转业不聚财。
Is that a book?
那是一本书吗？
One moment we were walking along the top of a hill and now we could see no more than about thirty metres ahead of us.
一时间我们还在山顶上行走，而现在30公尺开外的地方我们都看不清了。