laboratory/lə'bɒrətərɪ $ 'læbrətɔːrɪ/

n. a room or building in which scientists do tests and research

n. 〖复-ries/-rɪz/〗 [C] 实验室：These experiments were done in a modern laboratory. 这些实验都是在一个现代化实验室里完成的。

构词labor + at + -ory

同缀 directory; dormitory; factory; lavatory