decay into sth
多用于物理语境,指通过衰变变成另一种物质;也可比喻逐渐变成某种(通常更糟的)状态。
The radioactive isotope decays into a stable element.
这种放射性同位素会衰变成一种稳定的元素。
腐烂;变质;使腐烂;使衰败;衰变;退激;光衰减;空速衰减;减速
To become worse in quality, strength, or health; to decline or deteriorate.
衰退;恶化;衰弱
To deteriorate, to get worse, to lose strength or health, to decline in quality.
腐烂;变质
To rot, to go bad.
衰变;放射性衰变
To change by undergoing fission, by emitting radiation, or by capturing or losing one or more electrons; to undergo radioactive decay.
光学衰减;退激
To undergo optical decay, that is, to relax to a less excited state, usually by emitting a photon or phonon.
因阻力导致的空速损失
Loss of airspeed due to drag.
使腐烂;使变质
To cause to rot or deteriorate.
数组退化为指针
Of an array: to lose its type and dimensions and be reduced to a pointer, for example when passed to a function.
一般现在时
Wood decays quickly in moist conditions.
木头在潮湿条件下迅速腐烂。
一般过去时
The ancient kingdom decayed over centuries.
这个古老的王国在几个世纪中衰败了。
现在完成时
The food has decayed and cannot be eaten.
食物已腐烂,不能吃了。
常规动词,加-ed构成过去式和过去分词。
Fruit will decay quickly in a warm environment.
水果在温暖的环境中会迅速腐烂。
用法提示:动词decay的一般将来时形式,表示'腐烂'
The abandoned house is slowly decaying.
废弃的房子正在慢慢腐烂。
用法提示:动词decay的现在进行时形式,表示'腐烂'
The acidic fumes have decayed the metal pipes.
酸性气体已经腐蚀了金属管道。
用法提示:动词decay的现在完成时形式,及物用法,表示'腐蚀'
多用于物理语境,指通过衰变变成另一种物质;也可比喻逐渐变成某种(通常更糟的)状态。
The radioactive isotope decays into a stable element.
这种放射性同位素会衰变成一种稳定的元素。
被动结构,强调无人照管、任其自然损坏或退化。
The old theatre was left to decay for decades.
那座旧剧院被弃置了几十年,任其衰败。
decaying 作前置定语,修饰正在腐烂或逐渐衰退的人或事物。
The dentist pulled out the decaying tooth.
牙医拔掉了那颗正在腐坏的牙齿。
与 decay 最接近,多用于有机物自然腐烂,日常和书面都可用。
更偏科学或正式,强调分解过程和有机体结构破坏。
主要指食物失去新鲜度,搭配 food,不能用于牙齿或抽象事物。
口语常用,主语常为食物,语气比 decay 更随意。
较正式或文学化,既可指有机物腐烂,也可引申为消亡。
grammar · medium
易错句子The apple decay quickly.
正确表达The apple decays quickly.
主语 The apple 是第三人称单数,一般现在时动词需加 -s,故用 decays。中文动词没有主谓一致变化,容易漏掉 -s。
grammar · medium
易错句子The decay building was dangerous.
正确表达The decayed building was dangerous.
修饰名词 building 需要过去分词 decayed 作形容词,表示“已破败的”。decay 是动词原形,不能直接作定语;中文无分词形式,易误用原形。
grammar · medium
易错句子The number of students decayed.
正确表达The number of students declined.
decay 指有机体或质量逐渐变坏、腐烂,不用于数量减少;数量下降应用 decline(或 decrease)。中文“衰退”可泛指下降,导致误用 decay。
与decay的“衰退,腐败”意义相反,指健康生长或兴旺发展
与decay的“衰退”意义相反,强调繁荣昌盛
与decay的“衰退”意义相反,指向好的方向发展
迅速衰退
If left untreated, the food will decay rapidly.
如果不加处理,食物会迅速腐烂。
衰退成
The empire decayed into a state of chaos.
帝国衰退成一片混乱状态。
随时间衰退
All organic matter decays over time.
所有有机物都会随时间腐烂。
自然腐烂
The leaves were left to decay naturally on the forest floor.
树叶被留在森林地面上自然腐烂。
逐渐衰败
The old building decayed away after years of neglect.
那座老建筑在多年忽视后逐渐败落。
四周一无所有,唯有那巨大残骸的衰败/无边无际,一片荒凉/寂寞而平坦的沙尘延伸至远方。
The decay of ancient monuments reminds us of the fleeting nature of power.
古代遗迹的衰败提醒我们权力的短暂。
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