Acute-angled triangle
01
锐角三角形, 有锐角的三角形
a type of triangle in which all three angles are less than 90 degrees
例子
The quilt had a pattern with acute-angled triangles.
被子上有一个带有锐角三角形的图案。
During math class, we measured angles in acute-angled triangles.
在数学课上，我们测量了锐角三角形中的角度。
