If you mean long strip on which people glide on snow then your spelling is correct. If you meant something else, such as "hits the ball vertically" or something else, then context in the question would help.
The correct spelling is snowmobile (motorcycle on skis).
The correct spelling is skier (one who skis).
That is the correct spelling of "skier" (one who skis).
You can't get skis.
"Les skis."
yes there are different skis for men and women the difference is the radius
Because if skis were short and round, they would be called "bicycles".
Yes
Skis has one syllable.
Here are some skis.
Skis Rossignol was created in 1907.
Atomic Skis was created in 1955.