如果你是一个科幻迷,那一定设想过有一天科幻电影中的场景能变成现实吧?就像是《盗梦空间》、《星际穿越》、《流浪地球》电影里的场景一样,人类已经突破现有技术的限制,进到梦里,或者是穿越时空,又或者星际旅行...
2019-03-21 #经典句子
小学英语交通工具和出行方式知识考点总结 让你站在顶点看问题!
一、常见交通工具总结归类(一)无车一族,靠腿跑foot(复数为feet)脚;leg 腿(二)有车一族,在地上跑1、二轮非机动车:bike/bicycle(自行车)二轮机动车:motorcycle(摩托车)2、三轮(机动)车:tricycle3、四轮车:car(小轿...
2007-03-06 #经典句子
Electric flight, in particular, unlocks new possibilities for vehicle configurationsthat we just could not explore in the past. If you sue electric motors, you can have many of them around the aircraft, and it doesn"t add a lot of extra weight. And that gives you redundancy and safety. And also, the...
2010-03-23 #经典句子