Using a knife, make slight indentations around the edges of the pastry.用刀子绕馅饼边沿刻小锯齿。The keenness of the saw made cutting the board easier.锋利的锯齿使切割木板更容易。The seed cotton is doffed from the open saw cylinder into an overhead basket.籽棉从敞开的锯齿式滚筒中落到高处的篮子里。