An angle of 90 degrees is called a right angle.

九十度的角叫做直角。

This, I'm assuming is a right angle.

这个是直角。

So this right over here is a right angle.

所以现在画的这个角就是一个直角。

They're carefully aligned edge to edge at a right angle.

它们呈直角严丝合缝地对齐。

I was so sure I had the right angle on this, Beth.

我本来那么确定这次肯定会有好转的，贝丝。

Only with the correct equipment coupled with right angles you can avoid the snag.

只有正确的设备加上正确的角度，你才能避免障碍。

Bertozzi called the field she created bioorthogonal chemistry—orthogonal means intersecting at right angles.

贝尔托齐称她创造的领域为生物正交化学——正交意味着以直角相交。

Your knees should be at a right angle with your feet flat on the floor.

你的膝盖应在正确的角度 且脚掌平放接触地面。

Leon is always walking with his hand cocked at a right angle, like this, y'know.

利昂走路的时候也总是把他的手绷成直角，就像这样。

As the herd approaches us, it swings round its front, at right angles, and makes off westward.

牛群接近时，会在突然跑开，找到合适得角度就向西奔逃。