Radiopacity
n. 辐射不能透过
🔁 扩展释义
【医】 X线不透性, 射线不透性
🗣️ 情景例句
When I told them
当我告诉他们
I had thought he knew the time of the meeting.
我原以为他知道开会时间。
What's it used for?
有什么用途？