S-22：stretch one's legs 活动

A:Oh, I must have been sitting in the same position too long. My legs have fallen asleep.

A:哦，我可能坐的时间太长了，我的腿都麻了。

B:Shift it a little before you get up.

B:你站起来之前先活动活动。

A:And I need to stretch my legs now.

A:现在我是需要活动活动。