短语词组短語Lucency - 小透明White Lucency 白透亮lucency cap 透明帽Tra lucency 半透明lucency shadow 透亮影lucency transparent 透亮lucency artifact 透亮偽影hippocampal lucency 海馬透明區periventricular lucency 釋義腦室周圍低密度 返回 lucency