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》

He made about 300 shots daily, sitting on one chair and putting his left leg on another.

他坐在椅子上，左腿架在另一张椅子上，每天进行300次投篮练习。

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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