The sport's rules require that a race walker's knees stay straight through most of the leg swing and one foot remain in contact with the ground at all times.
这项运动的规则要求竞走运动员的膝盖在大部分的腿部摆动过程中保持笔直，一只脚始终与地面保持接触。
Rennard told her parents that if they wanted to remain in contact with her they had to follow the church's procedures.
雷纳德告诉她父母，如果他们想和她保持联系，他们就得遵循教会的程序来。
She didn't remain in contact with her children's father and admits for a period she struggled to cope as a single mum.
其后她与孩子的父亲断绝了联系，坚持表示她要努力做个单身母亲。
This is particularly applicable in those zones that are either heat affected or have had residues remain in contact with the metal surface for prolonged periods.
这尤其会出现在以下地带：受热侵袭的地方或者需延长和材料表面接触时间的残留物存在处。
WHO will remain in contact with experts monitoring air quality in the affected region, and advises people to follow the latest guidance from their local health officials.
卫生组织将继续与在受影响区域检测空气质量的专家保持联系。建议人们遵守当地卫生组织出台的最新指导。
The Foreign Office is advising passengers to remain in regular contact with their travel agent or airline for the latest news on the status of flights and bookings.
外交部还建议乘客呆在家里，定期与航空代理或航空公司联系，以得到关于飞行状态和预售票情部的最新动态。
Nevertheless, the relations between Red Hat and CentOS remain amicable and many CentOS developers are in active contact with Red Hat engineers.
然而，红帽和CentOS的之间的关系仍然良好，许多CentOS的开发者在与红帽工程师积极接触。
From this moment on, the apple will remain permanently in contact with the floor, being pressed to it by the steady acceleration.
从这个时刻起，这个苹果将会一直和地板接触着，因为稳定的加速度使它紧压在地板上。
75% consider the opportunity provided by devices such as smartphones and laptops to remain in constant contact with work as a positive development.
75%的人认为，智能手机和笔记本电脑这些让他们随时不能摆谱工作的设备所带来的机遇，是一种积极的进步。
Pregnant women in labor should remain calm and timely contact with the doctor to the hospital or birth.
临产的孕妇应保持冷静，及时到医院或与医生联系分娩。
To alleviate the pressures of separation, I developed the computer skills needed for electronic communication and was able to remain in close contact with my father.
为了减轻分别的痛苦煎熬，我意识到如果将计算机技术用于电子网络交流，就可以和我爸爸保持密切的联系。
Adriano Galliani: "I'm not angry with Ronaldo at all: on the contrary, with him I have a daily contact, and I remain convinced that he moved in good faith."
加利亚尼：“我根本没有生罗尼的气，我和他一直保持日常联系，我确定他现在很好。”
Adriano Galliani: "I'm not angry with Ronaldo at all: on the contrary, with him I have a daily contact, and I remain convinced that he moved in good faith."
加利亚尼：“我根本没有生罗尼的气，我和他一直保持日常联系，我确定他现在很好。”
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