Sitting sideways in the car, she lifted one leg with her hands and then the other one.

她侧着身子坐在车里，先用手抬起一条腿，然后又抬起另一条腿。

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Her left leg was asleep from sitting on the floor.

她的左腿在地板上坐得麻木了。

《柯林斯英汉双解大词典》

They jab tree trunks to toughen their hands and practice squatting with other students sitting on their shoulders to build the leg strength.

他们猛击树干来锻炼双手，练习蹲坐，让其他同学坐在他们的肩膀上锻炼腿部力量。

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When the cause is found, cramping can be due to prolonged sitting or leg position during sedentary activity.

CNN: What causes leg cramps?

The remote doesn't come in the conventional candy-bar style and it is somewhat difficult to hold with one hand but the help of a leg or armrest when sitting helps a lot.

ENGADGET: Logitech @ CEDIA - Hands-on with the Harmony 1000 HD

"After my operations, I had a good time at home sitting there with my leg up so I'm more than happy to work all through to pre-season, " he said.

BBC: SPORT | Football | My Club | West Ham Utd | Ashton eager to prove his fitness