“upright position”可以造什么句，upright position造句

Bring seat backs to the upright position and stow all tray tables.

If you can hold the racquet in upright position ( racquet body never below your wrist) elbow close to your body you can be an efficient volleyer.

Material is highly resistant PVC material that provides a stable upright position on the surface in all wind and wave conditions.

Flora restored the heavy swivel chair to its upright position.

Last week, the Hunley was rotated to an upright position for the first time since Abraham Lincoln was still breathing — how's that for old-school heavy metal?

Please put the back of your seat in an upright position.

The water is dumped out into a pool, and then the empty bucket (because it is weighted at the bottom) tips back to the upright position and begins catching water again.