He comes from a completely uncultured, lower middle-class family.
他来自中下阶层一个根本没什么文化的家庭。
We moved every year, and we finally settled in a housing development for lower middle income families.
我们每年都搬家，最后我们定居在为低收入家庭建造的房子里。
They not only in the bushes, and also used to lower middle or crown foraging, occasionally to the ground in search of food.
它们不仅活动于树丛下层，也常到中层或树冠觅食，偶尔到地面寻找食物。
In addition, fossil Homo sapiens from the sediment provides a new data of palaeoanthropology for studying Lower Middle Yangtze River.
同时，智人颞骨的发现，对长江中、下游古人类的研究，也提供了新的资料。
For example, in the lower middle portion of figure 9 you can see that the Compact task (turquoise line) was running during prime shift.
例如，在图9的下半部分中，可以看到Compact任务(蓝绿色)正在主要班次期间运行。
More than 70% of countries and territories that report the presence of neglected tropical diseases are low-income or lower middle-income economies.
70%以上报告存在被忽视的热带病的国家和地区是低收入或中下收入经济体。
More than 70% of countries and territories that report the presence of neglected tropical diseases are low-income or lower middle-income economies.
以上报告存在被忽视的热带病的国家和地区是低收入或中下收入经济体。
The reason for conducting such a research is to find out which sections of the society (lower middle class or higher middle class) do a lot of shopping in the malls.
进行这样的研究的原因为了准确分析社会中产阶级中哪部分人群（中产阶级的下层或高层）在商场购物的次数和购物量更多。
The wet and warm degree in middle troposphere is weakened and the convective instability in lower middle troposphere is strengthened by increasing wind speed of southern flow.
对流层低层南风气流的加强，可影响对流层中层的暖湿程度减弱，从而加强了对流层低-中层内的对流性不稳定。
The treatment gap was over 75% in low-income countries and over 50% in most lower middle - and upper middle-income countries, while many high-income countries had gaps of less than 10%.
低收入国家存在75%以上的治疗缺口，大多数中低收入国家存在50%以上，而很多高收入国家的治疗缺口不到10%。
Many a well-to-do and lower middle class Lebanese family relies on migrant domestic workers to take care of their household, but when it comes to providing for these women, not all return the favour.
许多黎巴嫩的富裕家庭或者中产阶级的家庭靠的都是雇佣这些移民的家庭佣人，帮他们操持家务，但是说到报酬，就不那么乐观了。
This year water levels in the middle and lower reaches of the Yangtze are unusually high.
今年长江中下游的水位高得不正常。
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。
Lower reading achievement scores and grades in fifth grade contributed to reduced grades in middle school and thereby contributed to a 40% lower high school graduation rate.
五年级学生的阅读成绩分数较低，导致其进入中学后成绩下降，进而导致高中毕业率下降40%。
In terms of class, digital divide exists among different types of workers and between the upper and middle classes and the lower class.
在阶级方面，不同类型的工作者，以及中上层阶级和下层阶级之间，都存在着数字鸿沟。
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。
Those who were not at least in the lower-middle class, however, had to dink around a 14.4 modem, or worse: 2400 baud.
这些人都不是中低产阶级，然而，却不得不使用大约14.4调制解调器，或者更差的2400波特。
In low - and lower-middle income countries, drugs for acute conditions were 33.9% and 12.9% more available, respectively, in the public sector than medicines for chronic conditions.
低收入和中下收入国家公立部门急性病药品的可获得性比慢性病药品的可获得性分别高出33.9%和12.9%。
Many medical devices designed for high-income countries do not respond to low - and lower - middle-income country needs.
许多为高收入国家设计的医疗装置并不符合低收入和中低收入国家的需求。
The last time the Pew Research Centre asked, in a poll in 2008, 91% of respondents put themselves in the upper-middle, middle or lower-middle class.
在2008年最近的一次民意调查中，美国佩尤研究中心发现91%的被调查者将自己放在中产阶级或中低产阶级的行列。
Mr Obama's plan would redistribute cash to lower - and middle-income Americans, while Mr McCain's would skew benefits towards the wealthy.
奥巴马的计划会将财富重新分配到中、低收入美国人手里，而麦凯恩会把利益倾向富人一方。
Mr Obama's plan would redistribute cash to lower- and middle-income Americans, while Mr McCain's would skew benefits towards the wealthy.
奥巴马的计划会将财富重新分配到中、低收入美国人手里，而麦凯恩会把利益倾向富人一方。
In recent decades certain high-end occupation incomes grew rapidly, while wages for lower-income and middle-class workers stagnated.
近几十年来，高收入和中产阶级的收入停滞不前，结束了当普遍工资低时，他们收入的快速增长时期。
"We are starting to lay steps so that the poorest begin to rise up to the lower-middle class and then to the middle-middle class," he says.
“我们开始为贫苦人民铺路，让他们有机会提升为中低阶级，然后再提升为中层阶级，”他说道。
Tens of millions of Latin Americans have climbed out of poverty and joined a swelling lower-middle class.
上千万拉美人走出贫困，称为了正在壮大的次中产阶级的一员。
Second, prior to 1913, the rich paid no income taxes at all; yet, lower- and middle-class living standards rose much faster in the 19th century than in the 20th!
其次，在1913年以前，那会儿富人根本就不上税，但是底层和中产阶级收入的增长比20世纪快得多。
Second, prior to 1913, the rich paid no income taxes at all; yet, lower- and middle-class living standards rose much faster in the 19th century than in the 20th!
其次，在1913年以前，那会儿富人根本就不上税，但是底层和中产阶级收入的增长比20世纪快得多。
应用推荐