acute angle obtuse angle closed angle
Angles of less than 90 degrees are called acute angles.
小于90度的角叫锐角。
—— 给力词典精选He rounded off the sharp corners with a file.
他用锉把锐角磨圆。
—— 辞典例句Sharp angle for precision cutting of medium to heavy - weight materials.
锐角设计可以用于精确切割中等到厚重材料。
—— 给力词典精选For positive chip angles, interrupted cutting and varying - cutting depth.
适合锐角的切削角度 、 切断操作和变切削深度。
—— 给力词典精选This is not a right angle, but an acute one.
这不是直角, 而是锐角。
—— 给力词典精选