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to decay
01
腐烂, 衰退
to be gradually damaged or destroyed as a result of natural processes
Intransitive
Example
Wood can decay if left untreated and exposed to moisture.
未经处理且暴露在潮湿环境中，木材会腐烂。
The old building is currently decaying due to weathering.
这座老建筑目前由于风化而衰退。
1.1
衰退, 恶化
(of a structure or an area) to become worse gradually
Intransitive
Example
The old house began to decay after years of neglect.
The abandoned buildings slowly decayed over time.
02
腐烂, 衰败
to cause gradual destruction or damage of something
Transitive: to decay sth
Example
Neglecting proper dental hygiene can decay tooth enamel, leading to cavities and eventual tooth loss.
忽视适当的牙齿卫生会导致牙釉质腐烂，进而导致蛀牙和最终的牙齿脱落。
Moisture and lack of ventilation can decay wooden furniture, causing it to warp, mold, and deteriorate over time.
潮湿和缺乏通风会导致木制家具腐烂、变形并随着时间的推移而衰败。
03
衰变, 衰退
(of a radioactive substance) undergoe fission or emits radiation, resulting in the transformation of its atomic nucleus into a different element or isotope
Intransitive: to decay into an element or isotope
Example
Uranium-238 decays into thorium-234 through a process of alpha decay.
铀-238通过α衰变过程衰变为铀-234。
Radon-222 decays into polonium-218 through alpha decay, releasing an alpha particle and decreasing its atomic number by two.
氡-222通过α衰变衰变为钋-218，释放出一个α粒子，并使其原子序数降低两个。
Decay
01
衰减, 衰退
a gradual decrease; as of stored charge or current
02
衰退, 衰变
the process of gradually becoming inferior
03
腐烂, 衰变
the organic phenomenon of rotting
04
衰变, 放射性衰变
the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
05
衰退, 腐烂
an inferior state resulting from the process of decaying
