为什么一上高铁就容易犯困？官方回应，真相原来是……
In response, the official customer service of 12306 issued a clarification, explaining that during the train's operation fresh air
trains
25年天津高考英语 咋用英文跟帖China's high-speed trains写英语文
假如你是晨光中学的李津，你在宇航爱好者论坛“space awaits”看到一则英文讨论帖，一张记录人类文明的光盘将随探索器飞向外太空，光盘拟收录具有代表性的音像资料。根据各国网友的提名，有六项热度较高，分别是：①“hello”in different lang