标签：行李箱 相关文章

科学美国人60秒 SSS 物理学帮你稳住拉杆箱

Keep Rolling Luggage Upright With Physics物理学帮你稳住拉杆箱 If you've ever pulled a rolling suitcase through the airport, chances are you've also been annoyed by this common occurrence: the suitcase starts rocking back and forth on each w

发表于:2018-12-24 / 阅读(42) / 评论(0) 分类 2017年Scientific American(六)月

英语口语900句 04.04.单句

Im going to the railway station. 我要去火车站。 Please help me put the luggage in the trunk. 请帮我把行李放到行李箱里。 Please get to the airport within one hour. 请在一小时内赶到机场。 How long do we get there? 多长时

发表于:2018-12-25 / 阅读(39) / 评论(0) 分类 英语口语900句
最新学习文章
热门学习文章