Grammar Note
perpendicularities
垂直性；垂直状态
perpendicularities — plural of perpendicularity
先理解核心含义，再看它在真实句子里的用法。
垂直性；垂直状态
The condition or state of being perpendicular.
The builder used a laser level to check the perpendicularity of the new fence posts.
建筑工人用激光水平仪检查新栅栏柱的垂直性。
垂直性；垂直状态
The condition of being perpendicular.
In math class, we studied the perpendicularity of two intersecting lines.
数学课上，我们研究了两条相交直线的垂直性。
The perpendicularity of the tower is important for its safety and appearance.
塔的垂直性对它的安全性和外观很重要。
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perpendicularities
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.