| 环境HSK 3 | huán jìng | environment; circumstances; surroundings; Classifiers: 个 ; ambient | |
| 环节HSK 6 | huán jié | (zoology) segment (of the body of a worm, centipede etc); (fig.) a part of an integrated whole: aspect (of a project), element (of a policy), sector (of the economy), stage (of a process), etc | |
| 环保 | huán bǎo | environmental protection; environmentally friendly; abbr. for 环境保护 | |
| 循环HSK 6 | xún huán | to cycle; to circulate; circle; loop | |
| 环球 | huán qiú | around the world; worldwide |
| 1 | How to protect the environment? | |
| 2 | We should care about the environment. | |
| 3 | We need to be mindful of protecting the environment. | |
| 4 | We should care about environmental protection. | |
| 5 | We should actively protect the environment. |