可惜这些文化热潮都是短暂的，过后又恢复常态。 Such large-scale activities have drawn many participants and created much awareness and enthusiasm, which alas, tend to be short-lived and cannot be sustained.
非常特殊的、危急的atc形势，比如一次危险接近，能在经历性记忆中保持很长时间。就象我们个人发生的危险经历保存在经历性记忆中一样。 Episodic memories of highly specific, critical ATC situations, such as a near mid-air collision, can persist for years, just as do our episodic memories for critical personal experiences.
经历性的记忆是指在我们的记忆中次序发生的事件，通常结合一些时间、地点、其他出现的人物，等等。 Episodic memory is our memory for events in their sequence of occurrence, usually associated with some form of tagging for time, place, other people present, and so forth.
（罗马天主教）一种紧跟在弥撒使徒书后的唱和（通常取自《圣歌》中）。 (Roman Catholic) an antiphon (usually from the Book of Psalms) immediately after the epistle at Mass.
真、善、美！天啊，善之常常如是不真，真之常常如是不美，美之常常如不是善！ The Good, the True, the Beautiful! Alas, the Good is so often untrue, the True so often unbeautiful, the Beautiful so often not good.
这本手册概括了日常卫生的要点。 This handbook is a neat epitome of everyday hygiene.
伏尔泰法国哲学家和作家，其作品是启蒙时代的代表，常常攻击不公正和不宽容。他著有老实人（1759年）和哲学辞典（1764年） French philosopher and writer whose works epitomize the Age of Enlightenment, often attacking injustice and intolerance. He wrote Candide(1759) and the Philosophical Dictionary(1764).
破袋情况非常严重，买主抱怨，集装箱货物包装不良，速电告检查结果。 Break bag alarmingly frequent buyer complaint of incomplete packing for containerized delivery surfeit report soon..
那是最美好的时代，那是最糟糕的时代；那是智慧的年头，那是愚昧的年头；那是信仰的时期，那是怀疑的时期；那是光明的季节，那是黑暗的季节；那是希望的春天，那是失望的冬天；我们全都在直奔天堂，我们全都在直奔相反的方向--简而言之，那时跟现在非常相象，某些最喧嚣的权威坚持要用形容词的最高级来形容它。说它好，是最高级的；说它不好，也是最高级的。 It was the best of times, it was the worst of times, it was the age of wisdom, it was the age offoolishness, it was the epoch of belief, it was the epoch of incredulity, it was the season of Light, it was the season of Darkness, it was the spring of hope, it was the winter of despair, we had everything before us, we had nothing before us, we were all going direct to Heaven, we were all going direct the other way--in short, the period was so. far like the present period, that some of its noisiest authorities insisted on its being received, for good or for evil, in the superlative degree of comparison only.
这听起来轻松平常，实际上却完全可以称作划时代的。 That sounds soft and mushy and commonplace, but in fact it can legitimately be called epochal.
值得庆幸的是他双亲性情非常温和. It's lucky that his parents are so equable.
再者，土地的需求，尤其是为了农业和林业，最初集中在土壤最肥沃和气候温和的地区，而这些地方经常是生物种类最丰富的地方。 Moreover, land acquisition, especially for agriculture and forestry, focuses initially on those areas with the most fertile soils and equable climates, which are often the areas of greatest biological diversity.
非常独特、没有相等的事物。 radically distinctive and without equal.
令人担忧的是我们容易对其产生排斥性的食物常常是我们最喜爱吃的东西。 The alarming thing is that the foods to which we are likely to be intolerant are those we crave the most.
由于全国被监禁的人数爆涨，管教官员和情绪不正常的人的家属对把精神病患者关进监狱所带来的问题感到担忧，被专家们称为精神病犯罪的情况已经发展成为一个严重问题。 What experts call the criminalization of the mentally ill has grown as an issue as the nation's inmate population has exploded and as corrections officials and families of the emotionally disturbed have become alarmed by the problems posed by having the mentally ill behind bars.
初等常微分方程 elementary ordinary differential equation
常微分方程解析理论 analytic theory of ordinary differential equation
常微分方程摄动方法 perturbation method in ordinary differential equation
常微分方程定性理论 qualitative theory of ordinary differential equation
常微分方程近似解析解 approximate analytic solution of ordinary differential equation
常微分方程边值问题 boundary value problem of ordinary differential equation
常微分方程初值问题 initial value problem of ordinary differential equation
常微分方程变换群理论 transformation group theory in ordinary differential equation
把导轨和赤道显示成直的其他子午线显示成弯的的等区域地图；常用于制订热带地区地图。 an equal-area map projection showing parallels and the equator as straight lines and other meridians as curved; used to map tropical latitudes.
他常常敲起警钟。 He often rings an alarm.
飓风一种猛烈的热带风暴，形成于大西洋或加勒比海赤道地区，从形成地向北、西北或东北移动，通常携有大量雨水 A severe tropical cyclone originating in the equatorial regions of the Atlantic Ocean or Caribbean Sea, traveling north, northwest, or northeast from its point of origin, and usually involving heavy rains.
马术比赛团体通常包括三、四个骑手。 The team in the equestrian competition usually consists of three or four riders.
和我希望你能常来花园城看我们。 Alan joins me in hoping you'll come often to see us in Garden City.
她一反常态，向他愤怒地叫喊。 She lose her usual equilibrium and shout at him angrily.
比正常的可能情况更浓，因而不能保持平衡。 being more concentrated than normally possible and therefore not in equilibrium.
（生理学）人体内酸和碱的正常平衡。 (physiology) the normal equilibrium between acids and alkalis in the body.
在稳定性和变化性之间通常很难找到适当的平衡。 It is often difficult to find a proper equilibrium between stability and variability.