But today's report is the starkest warning yet of the potentially devastating impact of climate change and human exploitation on the Antarctic's delicate ecosystems.
2019年12月六级真题（第三套）阅读 Section C
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
(选择、陈述等)严峻的，令人不快的
Stark choices or statements are harsh and unpleasant.