2 sentences

1. 这两条直线在圆心处相交。

   zhè liǎng tiáo zhí​xiàn zài yuán​xīn chù xiāng​jiāo.

   These two straight lines intersect at the center of the circle.

   Source: Dong Chinese Dictionary

2. 他们两人相交多年，彼此非常信任。

   tā​men liǎng rén xiāng​jiāo duō nián, bǐ​cǐ fēi​cháng xìn​rèn.

   The two of them have been friends for many years and trust each other deeply.

   Source: Dong Chinese Dictionary