密西西比河的水位已经比正常水位低6.5英尺。
The water level of the Mississippi River is already 6.5 feet below normal.
男子的嗓音通常比女子的低。
他们认为做同样的工作，女性的工资比男性低。
They believe that women are paid less than men for doing the same job.
至少在开始阶段，他们可能也不太愿意接受比原来薪水低的工作。
They may also be less inclined, at least initially, to take jobs that pay far less than their old positions.
对照组的学生不仅成绩没有提高，而且比研究开始前的成绩还要低。
Those in the control group not only didn't see a grade increase, they had lower grades than the grading before the study began.
除了微波炉之外，煤气灶的碳强度通常来说也比电炉低。
If a microwave oven is not an option, gas ovens are generally less carbon-intensive than electric.
另一个重要的特性是氦的独特沸点，比其他任何元素的沸点都低。
Another important attribute is the unique boiling point of helium, which is lower than that of any other element.
馒头热量低，只相当于后者的70%，而且脂肪和碳水化合物比米饭更低。
Steamed dumpling contains low calorie, equivalent to only 70% of the latter, and lower fat and carbohydrate than rice.
也许这曾经是对的，但是今天美国老年群体的贫困率比其他人群要低。
Perhaps that once was true, but today elderly Americans as a group have a lower poverty rate than the rest of the population.
这是有一定道理的；这里的房产税率比州平均水平低三分之一。
There is some truth to that; the property-tax rate here is one-third lower than the state average.
例如，从西班牙运输西红柿到英国的碳成本明显比在英国生产西红柿的碳成本要低，后者需要额外的加热和照明。
It is clear, for example, that the carbon cost of transporting tomatoes from Spain to the UK is less than that of producing them in the UK with additional heating and lighting.
知识型工人的工资通常比低技能工人高。
Knowledge workers are generally better paid than less-skilled workers.
此外，微波炉所使用的能量比任何其他烹饪方式都要低。
Further, the energy used by microwaves is lower than any other form of cooking.
下降的岩石比周围的地幔的温度低很多，因此延展性较小，更容易断裂。
The descending rock is substantially cooler than the surrounding mantle and hence is less ductile and much more liable to fracture.
在对流层中，高海拔地区的空气通常比低海拔地区的空气冷。
In the troposphere, the air at higher altitudes is in general cooler than the air below it.
在我们的太阳附近，星际物质的平均密度比最好的地球实验室真空还要低1000到10000倍。
The average density of interstellar material in the vicinity of our Sun is 1,000 to 10,000 times less than the best terrestrial laboratory vacuum.
在某种程度上，这意味着它们的成本比化石燃料要低——当然是当你给汽车加油的时候。
In a way that means they have to cost less than fossil fuels—certainly when you're filling up your car.
动物体型越大，其体表体积比越低；躯体每增加一盎司的重量，所能散发热量的表面就成比例减少。
The bigger the animal is, the lower its surface-to-volume ratio; for every ounce of body mass, there is proportionately less surface through which heat can escape.
事实上，做家庭作业的动机是雇主希望将固定成本降到最低：在家工作的人没有福利，工资也比正式员工低。
In fact, homework is driven by employers' desires to minimize fixed costs: homeworkers receive no benefits and are paid less than regular employees.
事实上，20世纪70年代的实际福利水平比20世纪40年代的要低，而且在大多数州，四口之家的最高福利都低于贫困线。
In fact, real benefit levels were lower in the 1970s than they were in the 1940s, and in most states the maximum benefit was below the poverty level for a family of four.
他还没说完最后一句话，索尔比太太早就发出一阵低低的、快活的笑声。
Mrs. Sowerby was laughing a low comfortable laugh long before he had finished his last sentence.
61%的人使用避孕措施，仅比欧洲、北美和东亚大部分地区普遍采用的65-80%的比率低几个百分点。
Some 61% used contraceptives, just a few percentage points short of the 65-80% rate prevailing in Europe, North America and most of East Asia.
作为五年级学生，有早期注意力障碍的孩子的平均阅读分数至少比同龄孩子低3%，学习成绩至少比同龄孩子低8%。
As fifth-graders, children with early attention problems obtained average reading scores at least 3% lower than their contemporaries' and grades at least 8% lower than those of their peers.
但是低膨胀的玻璃比碱石灰玻璃可贵多了。
But low-expansion glass is much costlier than soda-lime glass.
然而评价比预期的要低。
如果利率比预期的利率要低呢？
因此未来的回报很可能也比之前的标准低。
So future returns are likely to be lower than the previous norm.
脂肪比碳水化合物的燃料效率低多了。
女人的薪水比男人低，只有一个行业例外———模特。
Women are paid less than men, except for one field: Modeling.
这样的增长率比经济的增长率要低。
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