3 sentences

1. 录取分数线就是进大学的一道杠。

   lù​qǔ fēn​shù​xiàn jiù shì jìn dà​xué de yī dào gàng.

   The admission cutoff is a hurdle for getting into university.

   Source: Dong Chinese Dictionary

2. 他的考试成绩没有达到这所大学的录取分数线。

   tā de kǎo​shì chéng​jì méi​yǒu dá​dào zhè suǒ dà​xué de lù​qǔ fēn​shù​xiàn.

   His exam score did not reach the admission cutoff for this university.

   Source: Dong Chinese Dictionary

3. 分数线将分子和分母隔开。

   fēn​shù​xiàn jiāng fēn​zǐ hé fēn​mǔ gé​kāi.

   The fraction bar separates the numerator and the denominator.

   Source: Dong Chinese Dictionary