n.

shade within clear boundaries

an unilluminated area

同義詞：darknessdark

something existing in perception only

同義詞：apparitionphantomphantasmphantasmafantasm

a premonition of something adverse

"a shadow over his happiness"

an indication that something has been present

同義詞：tracevestigetincture

refuge from danger or observation

"he felt secure in his father's shadow"

a dominating and pervasive presence

"he received little recognition working in the shadow of his father"

a spy employed to follow someone and report their movements

同義詞：tailshadower

an inseparable companion

"the poor child was his mother's shadow"

Shadows of the Mind
Casting curved shadows on curved surfaces
Casting curved shadows on curved surfaces
Casting curved shadows on curved surfaces
Detecting Moving Shadows: Algorithms and Evaluation
Detecting Moving Shadows: Algorithms and Evaluation
Global Shadows: Africa in the Neoliberal World Order (review)
Detecting Moving Shadows: Formulation, Algorithms and Evaluation
Understanding Line Drawing of Scenes with Shadows
Introduction to Special Section: Stress Triggers, Stress Shadows, and Implications for Seismic Hazard