arm of an angle的意思|示意

When walking his right arm stood out at an Angle from his body, as if, so it seemed to us, he could not trust the cleanliness even of his own garments.

走路时，他的胳膊甩出老远。在我们看来，仿佛他连自己也不肯相信自身衣服的洁净程度。

Using the same two initial arm lengths an Angle of 90 degrees between them produces a third side which is the square root of 2 times the arm length.

使用最初的相等的两个手臂长度和之间的夹角为90度，可以产生第三条边，而变成等于2的平方根乘以手臂的长度。

Upper arm and scapula are approximately equal in length and form an angle of 90 degrees.

上臂骨与肩胛骨长度基本一致，并呈90度角。