unsustainable
/ˌʌnsəˈsteɪnəbl/adjective
1- not able to be maintained at the current rate or level无法持续的：
macroeconomic instability led to an unsustainable boom.
宏观经济不稳定导致非持续性经济繁荣。
1.1
- Ecology upsetting the ecological balance by depleting natural resources【生态】破坏生态平衡的, 不可持续的：
unsustainable fishing practices.
破坏生态平衡的捕鱼行为。
1.2
- not able to be upheld or defended不能支持的, 不能主张的：
both remarks are unsustainable.
两种说法都站不住脚。
派生词