History sometimes seems to teach us that all nations decay in the course of time.

历史有时似乎在教导我们，所有的国家最后都会衰败。

属类：综合句库--

History sometimes seems to teach us that all nations decay in the course of time.

历史在昭示我们，任何国家都会逐渐衰落。、

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The "normal" thing is for a particle to undergo decay and transmute itself into other lighter particles

粒子发生衰变，本身蜕变为其它较轻的粒子，这是“正常”的事。

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Leaves which fall to the ground decay and become part of the soil.

落到地上的叶子腐烂之后成了土壤的一部分。

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Its decay probability per second is the inverse of this time

每秒的衰变几率是这个时间的倒数。

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China might decay at the end of each dynasty, but it would never perish. There seems to be a healthy mechanism repairing any damage or wound.

每一代行将就木时都露衰相，但是中国不会衰亡。似乎有一种自我修复的健康机制。

属类：人文学科-历史-文明史

The Democrats were going to showcase all the wretchedness and decay and insolvency as a symbol of Republican not-so-benign neglect(Chicago Tribune.

民主党人准备将所有的卑鄙、腐败与无能加以曝光，并作为不能宽容共和党人的标志(《芝加哥论坛》)。

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The frictional dissipation will introduce an exponential decay

摩擦耗散可导致指数式的衰减。

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Something,especially foodstuff,subject to decay or spoilage.Often used in the plural.

某些东西，尤指食物是易腐败的。常用做复数

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Method for laboratory test of natural decay resistance of woods

木材天然耐久性试验方法木材天然耐腐性实验室试验方法

属类：行业标准名称-国家标准名-GB/T13942.1-1992

The house fell into decay .

那房子腐朽了。

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The decay of the food was detected by the sense of smell.

凭嗅觉发现这食物变质了。

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Its stable isotopes are all end products of radioactive decay of uranium and other heavy elements. Known since ancient times, lead is so durable and resistant to corrosion that Roman lead pipes are still usable. Lead is used in roofing, as cable coverings, and in pipes, conduits, and structures.

其稳定的同位素为铀和其它重金属放射衰变后的最终产物。自古以来人们就知道铅的好处，它耐用且抗腐蚀，所以古罗马人的铅水管至今仍可使用。铅可用作屋顶材料、电缆的包皮、水管衬里和一些管道设备。

属类：化学及生命科学-化学-

However, some of the minerals contain xenon isotopes unlike those usually produced by radioactive decay of uranium

然而，有些含氙同位素的矿物并非如此，是由铀的放射性衰变产生的。

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Let us very briefly rehearse one or two facts about nuclear beta decay

让我们非常简要地复述一下有关该β衰变的一两件事实。

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Our intellectual power will decay in old age.

人的智力在年老时会衰退。

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It was feared that without some forms of americanization immigrants would cause a rapid decay of American institutions

人们担心，没有某种形式的美国化，移民将会导致美国制度的迅速解体。

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As people grow old, they will decay mentally as well as physically.

人们年老时脑力和体力都会衰退。

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According to folklore, if one rinses his mouth with the water, no tooth decay will occur

人们说，用此泉漱口，可防牙蛀

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Couched in mathematical language within the framework of the quantum theory, it gave a satisfying explanation of beta decay

如按量子理论的观点表达为数学语言，就可对β衰变作出满意的解释。

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If you do not clean your teeth they will decay .

如果你不刷牙，牙就会坏的。

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Social institutions--like atoms and stars--decay if energy is not added to keep them ordered, Friendships and families and economies all fall apart unless we constantly make an effort to keep them working and well oiled

社会机构--象原子和众星一样--如果不增加能量使其保持秩序，就会衰退。友谊、家庭及经济也都会崩溃，除非我们不断地努力使它们运转正常、润滑良好。

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Any of several radioactive gases that are isotopes of radon and are products of radioactive decay

射气几种氡的同位素的放射性气体，是放射性物质衰变的产物

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Growth and decay are vital processes.

生长和衰亡是生命过程。

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Oil is formed by the decay of animal, and possibly some plant, remains in a reducing environment in sedimentary deposits

石油是在沉积物还原环境中由动物遗骸，可能还有一些植物遗骸的分解所形成的。

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The food was beginning to decay .

食物开始腐烂了。

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To infect with corruption or decay .

使腐败传染腐化或腐朽

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To bring or fall into a state of partial ruin,decay ,or disrepair.

使损毁(使)或部分毁坏、坍塌或朽坏

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a dumb and frozen carcass, in fact, living painlessly on, that time may be given for his frame to decompose without his consciousness of its decay ."

事实上，他只剩了一具又哑又僵的躯壳，在无声无息地喘着气，让时间慢慢地腐蚀他的全身，而他自己却感觉不到它在腐朽。”

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It is, in fact, quite probable that calcium released by litter decay is used by uptake by plants

事实上，由凋落物腐解释出的钙很可能被植物摄取利用。

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