/ləˈbɒrətri; US ˈlæbrətɔ:rɪ ||; ˈlæbrəˌtɔrɪ/noun [C] (plural laboratories) (informal 非正式lab) a room or building that is used for scientific research, testing, experiments, etc or for teaching about science 实验室；化验所: The blood samples were sent to the laboratory for analysis. 血液样本已被送到化验所分析。a physics laboratory 物理实验室 ☞ Look at language laboratory. 参看language laboratory。