Objective: To probe into the mechanism of the Legg Perthes disease and provide morphological basis for its clinical treatment.

So surgical removal should be considered for LEGH growth beyond a certain size.

LEGH增长超过一定范围时应该考虑外科手术切除。

American airlines United, Delta and American Airlines are waiving fees for passengers to rebook flights to Japan for at least a week, Bloomberg reports.

彭博社报道：美国联合航空公司、达美航空公司和美国航空公司宣布至少在一周内，改订的飞往日本的机票全部免费。

If a passenger is late for a flight, for instance, an airline might decide to rebook the passenger on the next flight automatically.

如果乘客没赶上飞机，航空公司可以决定自动为他改签下一个航班。

The employees were also able to cancel trades that had already been booked to one account and then rebook book them to another.

他们还能删除已经登记到某个账户的交易，然后将它们再重新登记到另一个账户中去。

Its 26 members have the same training and ability to rebook flights as their call-center counterparts.

团队的26名成员与呼叫中心的同事接受过同样的培训，也可以改签机票。

But luckily I was able to rebook the same day.

幸运的是，我可以重新预定当天的飞机。

Most folks got off the plane to try to rebook flights and find food.

大多数乘客都下了飞机，打算改签航班，或是寻找食物。

With planes so full, airlines have limited reserve capacity to rebook customers after flights get canceled.

由于飞机载客太满，当航班取消之后，航空公司为乘客重新订票的备用票源非常有限。

In kindergarten classrooms, the game is used for play like LEGOs.

在幼儿园教室里，孩子们像玩乐高积木一样玩这款游戏。

Use legos to prototype and catch design flaws early.

使用LEGO玩具来制作原型早些发现设计缺陷。

The toys, which will be indistinguishable from classic Legos, will also feature "botanical elements" like leaves, bushes, and trees.

这些玩具将以植物元素（如叶子、灌木、树木）为特色，它们和经典乐高积木没什么差别。

Its worlds look blocky, like pixelated Legos.

它的世界看起来很斑驳，如同像素化的乐高积木。

Together, these slow or prevent ovulation, according to Richard Legro, a professor of obstetrics and gynecology and public health sciences at Penn State University College of Medicine in Hershey, Pa.

据宾州赫希市宾夕法尼亚州立大学医学院（Penn State University College of Medicine）妇产科与公共卫生学教授理查德&12539；勒格罗（Richard Legro）说，这些因素会一起延缓或阻止排卵。

When the couple heard about Dr. Legro's study, Ms. Maloney enrolled and drove three hours to Hershey once a month for drugs to help her ovulate.

夫妻二人听说列格罗的研究时，马洛尼加入了研究，每个月开车三小时到赫希去服用帮助她排卵的药物。

Dr. Eisenberg, Penn State's Dr. Legro and the Reproductive Medicine Network have been running a clinical trial to improve fertility.

艾森伯格、宾大的列格罗以及生殖医学网络已经在做一次旨在提高生育率的临床试验。

The ruling was signed Tuesday by Judge Joao Ghisleni Filho in Porto Alegre.

该判决本周二由阿雷格里港的法官若昂吉斯莱尼菲利奥签署生效。

At a police station in Porto Alegre I learnt that it was the CIA who had had me picked up.

在阿雷格里港市（porto alegre）的警察局，我得知是美国中央情报局（cia）让人把我抓起来的。

Juventus target Alexandre Pato of Porto Alegre has admitted that he is ready for a move to Europe.

身为尤文引进目标之一的帕托承认他已经做好转会欧洲的准备了。

In Porto Alegre, the former labor organizer spoke of hungry children and his promise to feed everyone in Brazil.

在阿雷格里港，这位前工人运动组织者讲到了饥饿的儿童和他让每一个巴西人都吃饱的承诺。

A city of southern Brazil, a suburb of P? rto Alegre. Population, 213,999.

巴西南部一城市，为波尔多·艾莱格雷城的一个郊区。人口213999。