Transport of the future

1.prevalent：frequent or common普遍的
Eg. Bilingual classes are more prevalent.

2.prototype：the first version of something which can be tested before it is produced in large quantities.雛形
Eg. The model and the prototype are geometrically similar.

3.intervention：action taken to intentionally become involved in a difficult situation in order to improve or prevent it from getting worse.干預；打岔
Eg. Her invention brought the meeting to a close.

4.far-fetched：very unlikely to be true, and difficult to believe 牽強的；難以置信的
Eg. The hallow, far-fetched preaching must be eliminated.

5.maglev：an advanced type of transport system in which a train travels on a magnetic track, often at very high speeds.磁力懸浮火車
 Eg. It was a driverless maglev system with a 1.6 km track connecting three stations.