英语语法分析

Mountains of prototypes and years of teamwork later, they unveiled the Swiffer, which quickly became a commercial success.

经过数年的团队合作后，他们设计出了大量的原型机，终于解开了 Swiffer 的秘密，并很快获得了商业上的成功。

Area 51 staff had to regularly interrupt such tests and hurry prototypes into "hoot-and-scoot sheds", lest they are detected by Soviet spy satellites.

51区的工作人员不得不经常中断这种测试，匆忙地将这些样机送到“紧急藏身处”，以免它们被苏联间谍卫星发现。

Several companies around the world have produced prototypes that can drive on roads and fly.

世界上有几家公司已经生产出能够在公路上驾驶和飞行的模型。