HSK 2
Qǐng búyào zài shíyànshì chī dōngxi.
Please don't eat in the laboratory.
HSK 3
Xuéshēng men zài shíyànshì zuò shíyàn.
The students are doing experiments in the lab.
HSK 3
Shíyànshì lǐ yǒu hěnduō shèbèi.
There is a lot of equipment in the laboratory.