An angle of 90 degrees is called a right angle.

九十度角叫做角。

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

你膝盖应在正确角度 且脚掌平放接触地面。

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

它们呈角严丝合缝地对齐。

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

只有正确设备加上正确角度，你才能避免障碍。

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

我本来那么确定次肯定会有好转，贝丝。

So this right over here is a right angle.

所以现在画角就是一角。

This, I'm assuming is a right angle.

是角。

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

贝尔托齐称她创造领域为生正交化学——正交意味着以角相交。

So, when the area is struck at the right angle with enough force, something interesting happens.

所以，当角度恰当、力量充足撞击该区域时，有趣事情就会发生。

The left should form at a right angle and the right knee should almost touch the floor.

左膝应呈角，右膝应几乎触地。

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。

The two lines on the left intersect each other at a right angle which is 90 degrees.

左边两条线以90度角相交。

The awning had to be built at just the right angle, and all the pads had to be obscured.

遮阳篷角度要合适，所有护具都要遮住。

He understood right angles and clear instruction manuals. Assembly models and drawings. Things one could draw on paper.

他解角和清晰产品说明，可以画到纸上东西。

But what if we point the cones so that the mirror is now at a right angle to the plane of symmetry?

但是如果我们把锥体指向镜面，使镜面与对称面成角呢？

It only lasts for a few minutes at sunset when the winter light hits the park's towering Horsetail Falls. At just the right angle.

日落时分，奇观只会持续数分钟时间，发生条件是冬日阳光与公园高耸马尾瀑布以正确角度交汇。

I mean, we don't make it like a sharp right angle.

- 我意思是， 我们不会把它做成一锐角。

A " right angle" is this square here, it means 90 degrees.

一“角” 就是里正方形， 就是90度意思。

Now from extensive experience, our brains know they really should be rectangles and right angles.

现在，根据丰富经验，我们大脑知道它们确实应该是矩形和角。

I have to get the right angle.

我必须得到正确角度。