An acute angle is one that is less than 90 degrees.

锐角是小于 90 度的角。

Less than 90 degrees it's an " acute angle" , " acute" .

小于90度就是“锐角” ，“锐角” 。

The hurricane rains fly always at an acute angle, borne outward by the fierce pressure.

飓风雨总是以锐角飞来， 被猛烈的压力带向外。

With your own seat reclining and the tray table pulled right out, you can have the screen open at an acute angle of around 60 degrees.

你把自己的座椅也放倒，拉出小桌板，这样你可以把屏幕打开到60度左右的锐角。

Every time you make a cut that reaches an edge, it either makes an acute and an obtuse angle, or two right angles.

每次切割到达边缘时，它要么形成一个锐角和一个钝角， 要么形成两个直角。