umbra a本影
Umbra cone影锥
Umbra Skyline桌面上的地平线
Umbra pygmaea矮荫鱼
Umbra Sumus唱片名
Boar Umbra野猪本影
Umbra Mask暗影面具
Umbra Sword暗影剑
N（名词） a region of complete shadow resulting from the total obstruction of light by an opaque object, esp the shadow cast by the moon onto the earth during a solar eclipse 本影