decay

decay读音音标

英 [dɪˈkeɪ]

美 [dɪˈke]

decay意思解释

vt.& vi.

（使）腐烂，腐朽；

vi.

衰败，衰退，衰落；

n.

腐败、衰退的状态；

变形

过去式：decayed

过去分词：decayed

现在分词：decaying

第三人称单数：decays

双语释义

n.(名词)

[U]腐烂；腐朽 the process or result of being destroyed by natural causes or by not being cared for[U](社会、机构、制度等的)衰败，衰退 the gradual destruction of a society, an institution, a system, etc.

v.(动词)

vt. & vi. (使)腐烂,(使)腐朽 make or become badvi. 衰败,衰退,衰落 fall to a lower or worse state;decline

英英释义

decay

[ di\'kei ]

n.

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 corpse was in an advanced state of decay\"; \"the house had fallen into a serious state of decay and disrepair\"

the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation

同义词：radioactive decaydisintegration

v.

lose a stored charge, magnetic flux, or current

同义词：disintegratedecompose

fall into decay or ruin

\"The unoccupied house started to decay\"

同义词：crumbledelapidate

undergo decay or decomposition

\"The body started to decay and needed to be cremated\"

词汇搭配

用作名词 (n.)形容词+～bacterial decay细菌性腐烂creeping political decay*治上的逐渐腐败dental decay牙齿龋蚀mental decay智力衰退moral decay道德沦丧premature decay早衰radioactive decay放射衰败名词+～tooth decay牙齿龋蚀

词组短语

tooth decay

蛀牙；龋齿；齵齿

decay rate

衰减率；衰变率；衰变速度

radioactive decay

[物]放射性衰变

exponential decay

指数式衰减

decay time

[物]衰减时间

in decay

已腐朽，已腐烂

decay resistance

耐腐性，耐腐蚀性能

decay curve

衰变曲线；衰减曲线；退化曲线；余辉曲线

fall into decay

损坏，腐烂；衰败

同近义词辨析

rot, decompose, decay

这组词都有“烂、腐烂”的意思，其区别是：

rot

指蔬菜水果或肉类的分解、腐烂。

decompose

侧重指动物或植物类物体由于内部组织的分解而导致的腐烂过程。

decay

通常指由良好或完美的状态自然而缓慢地变坏或完全变坏腐烂，或部分地毁坏。

双语例句

用作动词(v.)Naomi: Your entire body is begining to decay.直美:你的整个身体都在衰退。What made the Roman Empire decay?罗马帝国为何衰亡？The dampness of the climate decayed the books.气候潮湿，把书都霉坏了。The vegetables have begun to decay.那些蔬菜已开始腐烂。用作名词(n.)His mental decay is distressing.他的智力衰退令人苦恼。Bacteria complete the job by causing decay.细菌通过引起腐烂而完成这个变化。The dentist could detect no decay in her teeth.牙医检查了她的牙，未见有龋齿。