High levels of nitrate occur in the Midwest because of the heavy use of fertilizers.
因为大量使用化肥，中西部地区的硝酸盐含量很高。
Chronically high levels of these hormones have been linked to heart disease.
这些激素长期保持高水平与心脏病有关。
It was generally accepted that volcanic rocks with such high levels of magnesium could not exist.
人们普遍认为，具有如此高镁含量的火山岩是不可能存在的。
Saturated fats are used by the body to make cholesterol, and high levels of cholesterol have since been directly related to heart disease.
饱和脂肪被人体用来制造胆固醇，而高浓度的胆固醇与心脏病直接相关。
Of the 300 employees participating in the study, those who experienced high levels of telepressure were more likely to agree with statements assessing burnout.
在参与这项研究的300名员工中，那些经历过高水平远程压力的员工更有可能同意评估职业倦怠的陈述。
Children experiencing an auditory function deficit can often find speech and communication very difficult to isolate and process when set against high levels of background noise.
在面对高强度的背景噪音时，患有听觉功能损伤的儿童往往很难把语言分离出来进行处理，也很难进行沟通。
Tests have shown high levels of pollutants in the water.
测试显示水中污染物质的含量很高。
Some hospital patients experience high levels of anxiety.
有些住院病人十分焦虑不安。
High levels of lead could damage the intellectual development of children.
高含铅量会损害儿童的智力发育。
The company agreed to keep up high levels of output in order to compensate for supplies lost.
该公司同意保持高产出水平以补偿损失掉的供应品。
The bodies of fish and other meat-eaters can build up high levels of the chemicals.
鱼和其他食肉动物的体内会积累大量的化学物质。
Space also has high levels of radiation, energy that can pass through our bodies and make us sick.
太空也有高等级的辐射，其能量可以穿过我们的身体，让我们生病。
We have very high levels of concern for this particular species because they have a narrower range.
我们对这种特殊物种的关注非常高，因为它们的种类比较少。
Although most plants cannot survive in these soils, certain plants have the ability to tolerate high levels of these minerals.
虽然大多数植物不能在这种土壤中生存，但某些植物有能力忍受高浓度的这类矿物质。
Another suggestion is that the color might be related to ice with high levels of metallic compounds, including copper and iron.
另一种说法是，这种颜色可能与冰中含有的大量金属化合物有关，包括铜和铁。
Do not eat shark, swordfish, king mackerel, or tilefish (also called white snapper), because they contain high levels of mercury.
不要吃鲨鱼、旗鱼、青花鱼或方头鱼（也称白鲑鱼），因为它们含有大量的水银。
They must avoid certain foods that contain high levels of the chemical tyramine, which is found in many kinds of cheese, wines, and pickles.
他们必须避免某些含有大量酪胺的食物，这种化学物质存在于多种奶酪、葡萄酒和泡菜中。
Owners defined as individuals with high levels of anxiety, fear, anger, depression and loneliness were more likely to have cats with behavioural issues.
被确定为具有高度焦虑、恐惧、愤怒、抑郁和孤独的主人养的猫更有可能有行为问题。
This means they can ensure high levels of efficiency.
这意味着他们可以确保高水平的效率。
Over time, high levels of stress lead to serious health problems.
长此以往，高压力就会导致严重健康问题。
High levels of glucose in the blood damage nerves and blood vessels.
血液中葡萄糖含量过高会造成神经和血管的损伤。
High levels of polyphenols can generally be found in the fruit skins.
在这些果皮中常能发现高质量的多酚类。
High levels of polyphenols can generally be found in the fruit skins.
在这些果皮中常能发现高质量的多酚类。
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