学生平均每天要花三个小时来完成作业，但是如果遇到难题，完成作业的时间就得延长。
On average, students have to spend 3 hours finishing homework every day, but if we are stuck by difficult questions, the time will be extended.
自20世纪70年代以来，美国边际税率的下降使得延长工作时间更有利可图。
Falls in marginal tax rates in America since the 1970s have made it all the more profitable to work longer.
各种干预措施，如抗感染药物，可以增加人口的平均存活时间，但只有那些减缓人体衰老速度的方法才能延长最长寿命。
Various interventions, such as infection-fighting drugs, can increase a population's average survival time, but only approaches that slow the body's rate of aging will increase the maximum lifespan.
然而，它们和其他猴子必须被跟踪更长的时间，以了解低卡路里摄入是否可以延长猴子的平均寿命和最长寿命。
They and the other monkeys must be followed still longer, however, to know whether low-calorie intake can increase both average and maximum lifespans in monkeys.
到上午9点33分，额外激增的交通流量可能会将时间延长到145秒。
By 9:33 am, a burst of additional traffic might push it to 145 seconds.
虽然还没有发现一种速度与光一样或比光还快的物质，但科学实验已经证实，加速运动会延长旅行者的时间。
Although no form of matter yet discovered, moves as fast as or faster than light, scientific experiments has already confirmed that accelerated motion causes a traveler's time to be stretched.
虽然还没有发现一种速度与光一样或比光还快的物质，但科学实验已经证实，加速运动会延长旅行者的时间。
Although no form of matter yet discovered, moves as fast as or faster than light, scientific experiments have already confirmed that accelerated motion causes a traveler's time to be stretched.
异斯皮洛宁和鼠基二肽（MDP）可以促进动物的免疫功能，并延长小鼠和兔子的睡眠时间。
Isoprinosine and muramyl dipeptide (MDP) could promote animal immune function, and prolong the sleeping time of mice and rabbits.
随着感染时间的不断延长，活性氧的产生速率逐渐降低，同时光合作用逐渐减弱。
With lastingness of infection, the productive rate of reactive oxygen species decreased gradually, and photosynthesis also weakened.
对于那些离婚的夫妻而言，他们忍受对方的时间也有所延长，从1981年的10.1年延长到了2007年的11.7年。
The time that divorcing couples endure each other before flinging back the rings has lengthened too, from 10.1 years in 1981 to 11.7 in 2007.
根据电脑的模拟，长足跟通过延长短跑选手足部与地面接触的时间同样可以使得选手们获得更快的速度。
According to the computer simulation, having long toes also makes sprinters speedier, by extending the time that a runner's foot makes contact with the ground.
绝不将防晒霜用于延长暴露于太阳的时间。
Sunscreen should never be used to prolong the duration of sun exposure.
肯尼亚棉纺业希望美国国会延长第三方纺织物条款的时间。
Kenya's cotton industry wants the United States Congress to extend the third-country fabric provision.
这一进展可能延长(病人的)寿命，缩减用来等待移植的时间。
The advances could extend life expectancy and cut waiting times for transplants.
在特殊情况下，拘留的时间可以再延长四天。
Under special circumstances, the time of detention may be extended for four more days.
国家规定的退休的年龄看起来在6年的时间里延长到了66岁，还可能再延长，也许会是70岁。
The state pension age looks set to rise to 66 in just six years' time, and may be extended far further -possibly to 70.
如果类不用于延长的时间，则JVM还可以选择卸载这些类。
The JVM can also choose to unload classes if the class has not been used for an extended period of time.
在特殊情况下，决定逮捕的时间可以延长一日至四日。
Under special circumstances, the time limit for deciding on an arrest may be extended by one to four days.
试着每天练习几分钟，然后看看能不能延长全然专注的时间。
Try doing that for a few minutes each day, and see if you can extend that length of time in which you are completely focused progressively.
法院把被告送交警答辩状的时间延长了14天。
The court extended the defendant's time for serving his defense by fourteen days.
人们认为义务教育时间的延长将部分减少这一问题，而取得文凭可以使他们在学校多待的时间得到认可。
The extension of compulsory schooling was conceived partly as a way to tackle the problem, and the diploma was to make more years in school palatable.
然而，JIT编译器还必须注意抵消它编译程序消耗的时间，因为这些时间将延长程序的执行时间。
However, the JIT compiler must also carefully balance the time it takes to compile a program because that time adds to the program's execution time.
这个主意就是为了延长购物者的“逗留时间”：人们花在商店里的时间。
The idea is to boost "dwell time" : the length of time people spend in a store.
但很快，许多顾客发现这些预装的应用程序延长了电脑启动和关闭的时间，占用内存，拖慢了他们电脑的速度。
But soon, many consumers found that these pre-loaded applications made their PCs run slower by increasing startup and shutdown times for their machines and hogging memory.
她很快学会害怕，甚至是最普通的工作人员的评估，因为它可能延长她驻留的时间。
She quickly learns to fear even the most mediocre staff member's evaluation, because it may lengthen her stay.
延长建立一个精确的需求理解或详细的计划的时间实际上耽误了对架构上更重要的问题的理解。
A prolonged effort to build a precise requirements understanding or a detailed plan only delays a more thorough understanding of the architecturally significant issues.
如果团队针对每一次迭代开发创建用户描述(而不是尽早创建)，那么会浪费宝贵的时间，并且将延长作出规划的时间。
If the team is creating the user stories from iteration to iteration (instead of as early as possible), you can waste valuable time, and it can take longer to do your planning.
不应靠使用防晒霜来延长暴露在阳光下的时间，使用防晒霜晒黑皮肤的人应该自觉地限制在阳光下的时间。
Sunscreens should not be used for extending time spent in the sun, and people using sunscreen during sun tanning should voluntarily limit their time spent in the sun.
不应靠使用防晒霜来延长暴露在阳光下的时间，使用防晒霜晒黑皮肤的人应该自觉地限制在阳光下的时间。
Sunscreens should not be used for extending time spent in the sun, and people using sunscreen during sun tanning should voluntarily limit their time spent in the sun.
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