2 sentences for 界线 (jiè​xiàn — boundary line)

1. 我们刚刚穿过州界线。

   wǒ​men gāng​gāng chuān guò zhōu jiè​xiàn.

   We just crossed the state line.

   Source: OpenSubtitles

2. 亚洲与非洲之间的界线是苏伊士运河。

   yà​zhōu yǔ fēi​zhōu zhī​jiān de jiè​xiàn shì sū​yī​shì​yùn​hé.

   The boundary between Asia and Africa is the Suez Canal.

   Source: CCMatrix