Sant mas
Apparence
Sant mas se yon pwen sou yon objè k ap deplase nan menm direksyon patikil pwen an ta deplase.[1]
Referans
[modifye | modifye kòd]- ↑ « Kopi achiv » (PDF). Archived from the original (PDF) on 2011-07-28. Retrieved 2010-06-13.