de
cay
第三人称
decays
现在进行时
decaying
过去式
decayed
过去完成时
decayed
1
腐烂, 分解
to be gradually damaged or destroyed as a result of natural processes
- Wood can decay if left untreated and exposed to moisture.
如果未经处理并暴露在潮湿环境中，木材可能会腐烂。
- The old building is currently decaying due to weathering.
由于风化作用，这座古老的建筑正在腐朽。
- The fallen leaves have decayed, enriching the soil with nutrients.
落叶已经腐烂，用营养物质丰富了土壤。
- Over the years, the ancient ruins decayed into partial structures.
多年来，古代遗迹腐朽成了部分结构。
- The untreated metal was decaying slowly in the corrosive environment.
未经处理的金属在腐蚀性环境中缓慢腐烂。
2
腐烂, 损坏
to cause gradual destruction or damage of something
及物动词
- Neglecting proper dental hygiene can decay tooth enamel, leading to cavities and eventual tooth loss.
忽视适当的口腔卫生会腐蚀牙釉质，导致蛀牙和最终牙齿脱落。
- Moisture and lack of ventilation can decay wooden furniture, causing it to warp, mold, and deteriorate over time.
湿气和缺乏通风会腐蚀木制家具，导致其随着时间的推移而变形、发霉和恶化。
- Improper food storage can decay fruits and vegetables, leading to spoilage and the growth of harmful bacteria.
不当的食物储存会导致水果和蔬菜腐烂，从而导致变质和有害细菌的生长。
- The acidic nature of certain substances can decay metal surfaces.
某些物质的酸性性质会腐蚀金属表面。
- Excessive exposure to ultraviolet radiation can decay the molecular structure of plastics.
过度暴露于紫外线辐射会破坏塑料的分子结构。
3
衰变, 分解
(of a radioactive substance) undergoe fission or emits radiation, resulting in the transformation of its atomic nucleus into a different element or isotope
- Uranium-238 decays into thorium-234 through a process of alpha decay.
铀-238通过α衰变过程衰变为钍-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衰变衰变成钋-218，释放出一个α粒子，并使其原子序数减少两个。
- Carbon-14 decays into nitrogen-14 through beta decay, emitting a beta particle.
碳-14通过β衰变衰变为氮-14，发射出一个β粒子。