| 科学HSK 4 | kē xué | science; scientific knowledge; scientific; rational; Classifiers: 门 | |
| 科技 | kē jì | science and technology | |
| 科研 | kē yán | (scientific) research | |
| 科学家HSK 4 | kē xué jiā | scientist; Classifiers: 个 | |
| 学科 | xué kē | subject; branch of learning; course; academic discipline |
| 1 | He loves reading science fiction novels. | |
| 2 | Eggplants belong to the nightshade family. | |
| 3 | He is a doctor at the emergency department. | |
| 4 | Mathematics is an important subject. | |
| 5 | He is a well-known scientist. |