青春期

Those middle school preadolescent years are the turbulent years--especially for girls.

孩子们在青春期前的中学时光非常喧闹，特别是女孩。

Chow, who lives with his preadolescent son Dicky.

和他还没到青春期的儿子 Dicky 一起生活。

For example, 52% of Hispanic and black adolescents in a study in Boston23 and 48% of white preadolescent girls in a study in Maine24 had 25-hydroxyitamin D leels below 20 ng per milliliter.

比如，波士顿的一个研究中52%的西班牙和黑人青少年及缅因州的一个研究中48%的青春期前白人少女的25-羟基维生素D水平均低于20ng/ml。

DESIGN: A 2-y longitudinal study to examine whether components of energy metabolism are predictors of body fat gain was conducted in 114 preadolescent African American and white children aged 9-11 y by measuring total daily energy expenditure on the basis of doubly labeled water, resting metabolic rate, the thermic effect of food, energy expended in physical actiity, and substrate oxidation after a meal.

设计：研究对象为114个青春期前的非裔美国小孩和白人小孩，年龄为9-11岁。通过用双标水法测定每日热能消耗总量、测定静息代谢率、食物的产热效应、体力活动能量消耗及餐后的底物氧化，进行一个2年的纵向调查，检测能量代谢的组成是否能够预测体内脂肪增加。

DESIGN: A 2-y longitudinal study to examine whether components of energy metabolism are predictors of body fat gain was conducted in 114 preadolescent African American and white children aged 9-11 y by measuring total daily energy expenditure on the basis of doubly labeled water, resting metabolic rate, the thermic effect of food, energy expended in physical activity, and substrate oxidation after a meal.

设计：研究对象为114个青春期前的非裔美国小孩和白人小孩，年龄为9-11岁。通过用双标水法测定每日热能消耗总量、测定静息代谢率、食物的产热效应、体力活动能量消耗及餐后的底物氧化，进行一个2年的纵向调查，检测能量代谢的组成是否能够预测体内脂肪增加。

Children in China's main cities are reaching puberty too early - a condition known as sexual precocity - and at a much higher rate than those in Western countries.

中国主要城市的儿童过早达到青春期，这一比例比其它西方国家还要高出很多。

And they knew, even in their youth, the pain of prejudice.

但是他们知道，在他们的青春期的损害是痛苦的。

It suggests that Hb may be involved in the reproductive neuroendocrine regulation in prepuberty female rats.

提示Hb可能参与雌性大鼠青春期前生殖神经内分泌的调节过程。

After reaching the peak concentration, levels of serum IGFBP-3 decrease gradually and reach the levels of prepuberty at the age of 18 years old.

达峰后血清IGFBP-3水平逐渐下降，到18岁时降至青春期前水平。

Corticoadrenal hormone treatment of CAH should select different kind of corticoadrenal medicine for different kind of CAH. Treatment of sex hormones is not suitable for children suffered from 17 hydroxylase dificincy until prepuberty.

先天性肾上腺皮质增生应根据疾病类型而选用不同皮质激素进行治疗，对于17α羟化酶缺乏的病例，儿童期至青春期不宜应用性激素治疗。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。