1 sentence

1. 老师在数学课上告诉我们，0.5是一个有理数。

   lǎo​shī zài shù​xué kè shàng gào​su wǒ​men,0.5 shì yī gè yǒu​lǐ​shù.

   The teacher told us in math class that 0.5 is a rational number.

   Source: Dong Chinese Dictionary