2 sentences

1. 校方正在公告栏上布告放假通知。

   xiào​fāng zhèng zài gōng​gào​lán shàng bù gào fàng​jià tōng​zhī.

   The school is posting a holiday notice on the bulletin board.

   Source: Dong Chinese Dictionary

2. 他在公告栏前查看这学期的课程时间表。

   tā zài gōng​gào​lán qián chá​kàn zhè xué​qī de kè​chéng shí​jiān​biǎo.

   He is checking the course schedule for this semester at the bulletin board.

   Source: Dong Chinese Dictionary