To attach the preparatory to the senior school these three classes were known officially, on speech days and in reports, as upper, middle, and lower second.
作为高中的预备班，在演讲日和报告中，这三个班被正式称为上、中、下二班。
Children of educated and upper-middle-class parents turn out to be far more curious, even at early ages, than children of working class and lower class families.
受过教育的孩子以及中上层家庭的孩子甚至在很小的时候就比工人阶级和下层家庭的孩子更有好奇心。
Children of educated and upper-middle-class parents turn out to be far more curious, even at early ages, than children of working-class and lower-class families.
比起工人阶级和下层家庭的孩子，受过教育的孩子以及中上层家庭的孩子甚至在很小的时候就更有好奇心。
They have to distinguish between words in upper and lower-case letters or even harder, they had to count the number of syllables in different words.
他们必须区分大写和小写的单词，或者更难的是，他们必须数出不同单词的音节数。
This chamber contains a slightly eccentric cylinder which can be rotated to make either the upper or the lower slots bigger.
该腔室有一个很纤细的偏心气缸，它可以旋转以使唤得下部或者上部狭槽的气流更强。
The team found few significant increases in bone mass and none in the two bones which are most vulnerable to fracture - the lower spine and upper part of the thigh.
研究小组发现，这些人的骨骼质量几乎没有明显的增强，而两处最易骨折的部位——脊骨下部和大腿骨上部的骨骼质量也未得到改善。
According to Brandt, what we notice when people age is the fact that their cheeks start dripping down, and they begin to lose volume in the upper face which causes sagging in the lower face.
照布兰德的说法，当人们变老时我们注意到的是这样一些事实：他们的脸颊开始瘪下去，他们的前额不再饱满，这引起脸的下半部分变得松弛。
To customize how you view your disks and volumes in the upper and lower panes of the window, point to Top or Bottom on the View menu, and then click the view that you want to use.
要自定义如何在该窗口的顶端窗格和底端窗格中查看磁盘和卷，请指向查看菜单上的顶端或底端，然后单击要使用的视图。
The researchers delivered short electrical pulses to either the upper left canine tooth (the pointy one) or the lower left canine tooth in the subjects.
科研人员给上颚的左犬齿（比较尖的那颗）或者是下颚的左犬齿注射一个短的电脉冲。
It can be unchecked to add lower and upper boundaries for the expected response code that provide a range value for the response code verification.
它可以检查，以为预期的响应代码添加上限与下限，该响应代码为代码验证提供了范围值。
If you are creating a redundant solution, it's important to split the primary and secondary switch between the upper half and lower half of the chassis.
如果要创建冗余的解决方案，就一定要把主交换机和辅交换机分别放在机架的上半部分和下半部分。
Scientists think the protein may allow hybrid viruses to grow more efficiently in the lower temperatures of the upper respiratory tract, from which the virus can more easily spread to others.
科学家认为正是这个蛋白使得杂交病毒在上呼吸道的低温环境中更易生长。从上呼吸道，病毒可以更易传播到其他宿主。
The most striking eyes among the reptiles have lower and upper eyelids joined together, leaving one large hole for the pupil to see through.
最令人震惊的是蜥蜴的上下眼睑是连在一起的，这特点让它的眼睛只留下了一个比较大的孔瞳孔接收光线。
Management and other upper-income employees would have to accept less compensation in order to pay lower-level workers more so their consumption could remain level and sustain firms' profits.
管理层和其他高收入的员工的补贴必须减少，用于增加较低层的工人的工资，这样他们的的消费才能仍然保持平衡从而维持企业的利润。
For the majority of lower - to upper-middle-class children of my generation raised in the US, the means to a sufficient standard of living were fairly easily within reach.
在美国，对于我这一代的多数人来说，不管是底层、中产阶层还是上流阶层的子弟，要达到宽裕的生活水准相对而言较为轻松。
The bill to increase the minimum retirement age from 60 to 62 passed France's lower house of parliament earlier this month and the upper house is set to approve it in early October.
这个把最低退休年龄从60岁提高到62岁的法案本月早些时候在法国众议院获得通过。 参议院定于十月初通过这项法案。
Fear: eyebrows raised and pulled together; raised upper eyelids; tensed lower eyelids; lips tightly stretched horizontally back to the ears.
恐惧：眉毛挑起并往眉心靠拢，上眼睑抬高，下眼睑绷紧；嘴唇朝耳朵方向扁平拉扯。
To see how the brain responds to pain emanating from different teeth, the researchers used fMRI to monitor changes in activity when the upper tooth or the lower tooth was zapped.
为了分析大脑如何对不同牙齿的痛疼作出反应，研究人员利用功能磁共振成像监视上牙或下牙在受到脉冲刺激时的活动。
When differentiating between upper and lower facial hair, a beard specifically excludes the moustache, which refers to hair above the upper lip and around it.
如果要区分从上部和下部之间的面部毛发，胡子不包括胡髭，即长在上唇上面及周围的毛发。
This simple example application defines two eminently useful operations that convert input strings either to upper or lower case.
这个简单的应用程序范例定义了两个非常有用的操作，把输入的字符串转化成大写或小写。
Sound: play open strings alone; play slow scales, sustaining a 20- to 30-second bow; practice everything in the lower or upper half; or watch your contact point in the mirror.
音色︰只用空弦拉奏；慢慢地拉奏音阶，一弓维持在20-30秒；所有以上半弓或下半弓练习；或对着镜子看（弓的）接触点。
This type of behavior caused us to make sure we knew the upper and lower boundaries of a benchmark workload and limited the estimated values to those that were between the known values.
这种类型的行为可以确保我们了解基准工作负载的上限和下限，并将预测的值限制在这些已知的范围之内。
Months ago, gaining a majority in the upper house to add to its lower-house one was considered a safe bet.
数月之前，通过取得上议院主要席位来增加下议院席位被视为一种保守的赌注。
Another benefit of the tryout press is that it permits die spotting (i.e., adjusting the upper and lower dies) prior to stamping operations.
调试压机的另外一个优点就是在冲压前对模具进行定位(例如调整上模和下模)。
It contains an invariant — that the lower bound is always less than or equal to the upper bound.
它包含了一个不变式——下界总是小于或等于上界。
The results revealed that in trees closest to the Wi-Fi source the upper and lower epidermis (skin) of the leaves developed a metallic luster and began to die off.
结果是，离无线宽带辐射源最近的小树，叶子的上下表皮出现了金属光泽，并且开始枯萎。
The plan is organized so that nonessential functions like bedrooms are placed on the lower level, allowing occupants to relocate to the upper floor in a flood.
这个方法将建筑设计规划地井然有序，以使像卧室这种不是最重要的房屋功能安置于房屋低处，这样洪水来临时住户就可迁移至尚有空间的房屋上层。
Proceed to lower yourself slowly by bending your elbows until your upper arms are parallel to the bench and push up.
屈臂慢慢降低你的上身直到大臂水平然后推起。
Proceed to lower yourself slowly by bending your elbows until your upper arms are parallel to the bench and push up.
屈臂慢慢降低你的上身直到大臂水平然后推起。
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