Be careful not to bump your head on the beam when you stand up.
当心站起来时头别撞了横梁。
You're about one inch taller when you sleep than when you stand up.
你躺着的时候高了,大概一英寸。
Sometimes you feel dizzy when you stand up.
有时候你站起来还感觉头晕目眩。
When you stand up, I will sit down on your chair.
当你站起来的时候，我将要坐在你的椅子上。
When you stand up, concentrate on pushing your feet through the floor.
当站起来时，注意将双脚压向地面。
When you stand up, concentrate on pushing your feet through the floor.
当站起来时，注意将双脚压向地面。
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