unsustainable
[ˌʌn.sə'steɪ.nə.bəl] adjective
■Something that is unsustainable cannot continue at the same rate 无法以同一速率持续的•The level of spending on pensions is unsustainable.这个养老金的开支水准不可能持续多久。 ■causing damage to the environment by using more of something than can be replaced naturally 枯竭式开采资源的；不符合可持续发展的；不可持续的•unsustainable fishing methods竭泽而渔式的捕鱼方法 |