那水呢，不但不结冰，倒反在绿萍上冒着点热气，水藻真绿，把终年贮蓄的绿色全拿出来了。天儿越晴，水藻越绿，就凭这些绿的精神，水也不忍得冻上，况且那些长枝的垂柳还要在水里照个影儿呢！看吧，由澄清的河水慢慢往上看吧，空中，半空中，天上，自上而下全是那么清亮， ...

近日，美国政坛迎来新变动，据美联社报道，克里斯蒂.诺姆（Kristi Noem）在 1 月 25 日经美国参议院投票确认，成为唐纳德.特朗普总统的国土安全部长，并于当日晚宣誓就职。

The China Night, an official series of events of the World Economic Forum (WEF) 2025 Annual Meeting, was held in Davos on January 22, Swiss time. As one of the key events of the WEF, this year's China ...

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