Chinese phrase
先上〜，再上〜 xiān shàng 〜 zài shàng 〜
Meaning
have ___ first and then have ___
When to use it
It says that one class comes first and another follows. It is used to state the order of classes or other activities in a simple, neutral way.
Example dialogue
今天上午前两节课是什么？ jīn tiān shàng wǔ qián liǎng jié kè shì shén me
What classes do we have for the first two periods this morning?
先上语文，再上数学。 xiān shàng yǔ wén zài shàng shù xué
We have Chinese first, then math.