岁末年初外航事故频发，令我们心痛不已。但最严重的事故，要属2025年1月29日美国军用直升机与民航客机相撞导致的空难。当天晚上，在华盛顿里根国家机场上空，一架载有64人的CRJ700客机在降落过程中与一架美军“黑鹰”直升机相撞后坠河，67人无人生还。

The manned lunar rover is called Tansuo, meaning to explore the unknown. This name reflects the lunar rover's mission and practical value in aiding the Chinese people to uncover the moon's mysteries, ...

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