straightness
n. [机] 平直度;率直;笔直
例句
Measure the straightness parallelism and squareness.
测量直线度、平行度和垂直度。
Also straightness is an important part of submission.
正直也是服从的重要部分。
Behind it thy seat is woven in wondrous mysteries of curves, casting away all barren lines of straightness.
你的座位在它后面编织成神秘而令人惊叹的曲线,抛弃了一切直线的重负。