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。

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They will remain in contact with us.

他们将与我们保持联系。

youdao

Again he prayed: o Mother, let me remain in contact with men!

他又再次祷告；妈妈，让我仍然保持与人接触！

youdao

Iranian intellectuals and opposition activists remain in contact with each other and with the outside world by posting comments and information about their activities on Web sites both inside and outside Iran.

VOA: standard.2009.11.14

Mobile phones allow the smugglers to remain in contact with their network across the world.

BBC: Turkey's booming people trade

To remain in contact with its satellites, Globalstar may require up to 60 ground stations.

ECONOMIST: Staying in touch | The

It started because soldiers in combat needed to move about untethered, yet remain in contact with command posts.

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