decay
名词 decay:
the process of gradually becoming inferior
a gradual decrease; as of stored charge or current
同义词:decline
the organic phenomenon of rotting
同义词:decomposition
an inferior state resulting from the process of decaying
the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
同义词:radioactive decay, disintegration
动词 decay:
lose a stored charge, magnetic flux, or current
同义词:disintegrate, decompose
fall into decay or ruin
同义词:crumble, delapidate
undergo decay or decomposition