Rayage
[医] 射线用量规定
🗣️ 情景例句
How long is it going to take for me to get there?
到那里还需要多久时间
I ate bread for breakfast yesterday.
我昨天早饭吃的是面包。
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。