laboratory
/ləˈbɒrətərɪ/noun
(pl. -ies)
1- a room or building fitted out for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals实验室：
as modifier laboratory tests.实验室检验。
1.1
- as modifier(of an animal) bred for or used in experiments in laboratories（动物）实验用的：
studies on laboratory rats.
对实验用鼠的研究。
词源
early 17th cent.: from medieval Latin laboratorium, from Latin laborare 'to labour'.