detrition

/dih-trish-uhn/US // dɪˈtrɪʃ ən //UK // (dɪˈtrɪʃən) //

营养不良,营养学,营养不足,营养成分

Definitions

n.名词 noun

Another is the constant repetition of certain words and phrases which have lost their meaning by detrition and are known to all.
The "Hole" has been made by the detrition and washing out of the shale and the fall of the overlying rock.
Nowadays it has become the custom to place these slabs upright against the walls, thus preventing further detrition.