| 积极 | jī jí | active; energetic; vigorous; positive (outlook); proactive | |
| 面积 | miàn jī | area (of a floor, piece of land etc); surface area; tract of land | |
| 积极性 | jī jí xìng | zeal; initiative; enthusiasm; activity | |
| 积累 | jī lěi | to accumulate; accumulation; cumulative; cumulatively | |
| 体积 | tǐ jī | volume; bulk; Classifiers: 个 |
| 1 | The ocean floor is covered with sediments. | |
| 2 | She always looks on the bright side of life. | |
| 3 | We should actively protect the environment. | |
| 4 | The mayor made a positive response. | |
| 5 | The volume of the gas tank is 50 liters. |
