Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...

Scientists researching Alpine glaciers store ice in Antarctica. By analysing air bubbles in the ice they may be able to predict the future ...

弹性素食者饮食（Flexitarian Diet）的特点是“灵活”和“素食”，指的是大部分时间吃素食，考虑到补充蛋白质，可偶尔摄入一些肉类的饮食模式。