What is the educational requirement for au pairs?

Do the au pairs have medical insurance while in the United States?

美国安亲褓姆学员在美国是否有医疗保险？

A new study finds a baby's brain growth and development is directly linked to the duration of the mother's pregnancy and how long she breastfeeds.

他们发现一个妇女的怀孕时间决定了婴儿出生时的脑体积，而哺乳时间与婴儿产后脑体积增加有关。

Information on bus lanes can be found on the page before.

有关巴士的资料，请参阅前页。

Research on the Influence of Bus Lanes on Urban Road Network and Comprehensive Benefits

公交专用道对城市路网的影响及综合效益研究

It also includes express bus lanes and a new subway line.

还包括公共快车道和一条新的地下铁路线。

The project would also improve the quality of city mass transit by creating exclusive bus lanes, improving maintenance, and adding more bus stops.

该项目还将通过设立公共汽车专用道，改善养护和增加公共汽车站等方式提高城市公共交通的质量。

Motherhood is a sacred cow to most politicians. The Politics of Memory: From the Fugitives to the Agrarians

记忆的政治：从逃逸者到南方重农主义者

Barons had to swear an oath of allegiance to the king.

贵族须宣誓效忠国王。

People of various party allegiances joined the campaign.

各个不同政党的拥护者都参加了这次活动。

Class allegiances have become less predictive of voting patterns; the main parties'bases have fragmented.

阶级忠诚已经使得投票模式不再那么可预测，主要党派的基础已经支离破碎。

Its members have more allegiances to each other than to any nation state.

这个阶层的成员对彼此的忠诚比对任何民族国家都更高。

Effect of buffer layer on resonant states in material GaAs/ Ga_ ( 1-x) Al_xAs

缓冲层对多量子阱材料GaAs/Ga（1-x）Al xAs共振态的影响

India and China today share a common border along the Himalayas and Bhutan and Nepal, two countries lying along the Himalayan range, act as buffer states.

今天印度和中国与不丹、尼泊尔两国共享喜马拉雅山脉的边界，并且以不丹、尼泊尔作为缓冲国。

The trouble with "buffer states" in an age of jet aircraft and atomic weapons is that they do not buff.

在这个喷气式飞机和原子武器时代，缓冲国不再起缓冲作用了。

The common adverse reactions in clinic are hepar and renal functional lesion 、 cordis damage 、 bone marrow depressions anaemias alopecia and infecting et al.

临床上常见的副作用有，胃肠道反应，肝肾功能损害、心脏损害，骨髓抑制、贫血、脱发、感染等。

I have performed at the least calculation, 50 amputations.

算起来我起码做了50台截肢手术

Results There were 2 cases of postoperative death and 11 postoperative amputations.

结果2例手术后死亡，11例术后仍需截趾或截肢。

METHODS Starting from 2-amino-5-methyl-pyridine, the key intermidiate 5-methyl-2 ( 1H) pyridone was obtained via the way of diazotization, hydrolysis, then it was aromatized with iodobenzene to give pirfenidone.

方法以2-氨基-5-甲基吡啶为起始原料，经重氮化、水解得到关键中间体5-甲基-2（1H）吡啶酮，再与碘苯反应得到吡非尼酮。

In males, androgen can be aromatized into estrogen by aromatase.

男性体内的雄激素可经芳香化酶作用转化为雌激素。

Suppose the Detroit Three get their bridging loans.

假设底特律三大汽车制造商获得了过桥贷款。