zài / jǐ / hé / zhōng / liǎng / tiáo / zhí / xiàn / zhèng / jiāo / yì / wèi / zhe / tā / men / chuí / zhí / xiāng / jiāo / 。

在几何中，两条直线正交意味着它们垂直相交。

In geometry, two lines being orthogonal means they intersect at right angles.