单词 unsustainable 例句 DEFINITIVE EXAMPLES 权威例句〔check〕Life on Earth will become unsustainable unless population growth is held in check.人口增长要是不加控制的话,地球上的生命将无法持续发展。柯林斯高阶〔check〕Life on Earth will become unsustainabl...
单词 unsustainable 释义 unsustainable, a.(un-1 7 b.)a1677Barrow Serm. Wks. 1687 I. 255 A weapon..whose impression is altogether inevitable and unsustainable.1716M. Davies Athen. Brit. III. 61 [To] revive an unsustainable Cause, so often sunk, and so ofte...