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In humans excessive intake ( for adults, over 4 milligrams per day) over many years can lead to skeletal fluorosis, a well-defined skeletal disorder, and in some plant species, fluoride is more toxic than ozone, sulfur dioxide, or pesticides.
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人类过量的摄入（成人每天超过4毫克）多年以后会导致骨骼氟中毒，一种容易识别的骨骼混乱（病症），而且在某些植物中，氟化物的毒性要比臭氧、二氧化硫或者杀虫剂都大。 |
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In humans it affects circadian rhythms, sleep patterns (melatonin levels increase at night), and is implicated in seasonal affective disorder.
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它影响人的生理时钟节奏,睡眠模式(褪黑激素水平在晚上增加),而暗示着周期性的情感紊乱。 |
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In humans the cornea is clear, but it is more a thin, gelatinous layer of proteins and sugars than true cellular tissue.
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人类的角膜是透明的，但它只是薄薄一层由蛋白质与醣类构成的胶状结构，而非细胞构成的组织。 |
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In humans, severe and prolonged psychological stress can cause growth to stop in children, a rare syndrome called psychogenic dwarfism.
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人类儿童要是经历严重而长期的心理压力，发育会停止，那是一种罕见的病，叫作「心因性侏儒症」。 |
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In humans, these two diseases are often linked to aging.
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对于人类，这两种疾病与衰老时相关联的。 |
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In humid conditions , it can survive on land for several days.
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在潮湿的环境中，攀鲈可于陆地上存活数天。 |
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In humid（5） weather your skin can get extra moisture from the air.
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天气潮湿时，皮肤可以从空气中得到额外的水分。 |
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In hydrographic sweeping survey, considering that the surveyed route in design project description is a longer route which is composed of to geodetic coordinates, methods of Mercator projection, UTM (Universal Transverse Mercator) projection and Gauss-Kru
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摘要在海道扫测工作中，考虑到设计任务书中的扫测航路是由两点大地坐标组成的较长路线，利用墨卡托投影和UTM投影及高斯－克吕格投影方式既能消除扫测航向的偏差，又能符合常规扫测方法。 |
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In hydroseeding, my main responsibility is to guide 200 feet of heavy, serpentine hose while the boss sprays the slime. But there's more to my job than wrestling the anaconda.
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在播种的时候，我的主要工作是在老板向地上喷洒种子和黏胶混合物的时候，拖着200英尺长的沉重的蛇形管。但是我的工作可不仅仅是拖着一条像蟒蛇一样的管子。 |
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In hypertensive patients, the baroreflexes tend to sustain rather than counteract hypertension, a phenomenon known as resetting the barostats,which may be a result rather than a cause of hypertension.
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在高血压病人中，压力反射往往是维持而不是抵消高血压，也就是人们所说的“压力调节器复位”现象，它可能是高血压的结果，而不是原因。 |
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In ice there is perfect tranquility, perfect order, and the silence of death.
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寒冰蕴含着安宁与秩序的完善，以及死亡的寂静。 |
