Single-Leg Kick has been a favorite drill of some of the world's greatest breaststrokers.

单腿蛙泳练习历来是世界级优秀蛙泳选手的最爱。

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Practice leg kick, encouraging a simultaneous kick action.

练习打腿动作，促进同步打腿的动作；

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And it turns out that the dog— when they zapped part of its brain, its leg would kick up.

结果是那只狗,当研究者们电击某个大脑区域时,狗的四肢便会乱踢起来

耶鲁公开课 - 心理学导论课程节选

The ball went in as she was fouled, prompting Baylor coach Kim Mulkey to emphatically pump her arm to go with a leg kick.

NPR: No. 1 Baylor Holds On, 77-69 Over Oklahoma State

Shakhtar were allowed one flicker of hope when Iniesta picked up a booking for encroachment that rules him out of the second leg and, when the free-kick was eventually taken, Rakitskiy beat a batch of Barca players to the ball and sent it past Valdes.

BBC: Barcelona 5-1 Shakhtar Donetsk

Mourinho received a warm welcome from the Chelsea supporters prior to kick-off in the second leg of the last 16 - his first competitive return to the club where he won two Premier League titles in three seasons before leaving in 2007.

BBC: Jose Mourinho proud of 'perfect' Inter show at Chelsea