New Words：

laboratory [ˈlæbrəˌtɔri] n. 实验室

Sample Sentences：

The school has a large biological laboratory.
The students will have an experiment in the laboratory tomorrow.
Our professor usually works in the laboratory doing his research.

biological [.baiə'lɔdʒikəl] adj. 生物的；生物学的
research [ˈriˌsɜrtʃ]
n.研究, 调查
v.研究, 调查

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