Level 6 · word 16,239 of 20,000
unsustainable
/ˌʌnsəˈsteɪnəbəl/
American

- adj. 不可持续的
- Definition
- adj. unable to continue or be supported at the same level over time
- Example
- Cutting down the forest that fast is completely unsustainable.
- 以这样的速度砍伐森林完全是不可持续的。
Word familysustain-