在 + 实验室 + 中/里
The noun 实验室 (shíyànshì) means 'laboratory,' referring to a room or facility equipped for scientific experiments or research. It is commonly used in academic and scientific contexts, often preceded by 在 to indicate location.
请不要在实验室里吃东西。
Qǐng bùyào zài shíyànshì lǐ chī dōngxī.
Please do not eat in the laboratory.
这个实验室的设备非常先进。
Zhège shíyànshì de shèbèi fēicháng xiānjìn.
The equipment in this laboratory is very advanced.
她每天都在实验室待到很晚才回家。
Tā měitiān dōu zài shíyànshì dāi dào hěn wǎn cái huíjiā.
She stays in the laboratory until very late every day before going home.