托福考试中，有一些难点词汇经常出现，新航道小编整理托福难点词汇解析，供大家参考。

　　incentives [ɪnˈsɛntɪv]n.动机;鼓励

　　…unless the government made it attractive for them to do so, by offering corporations tax incentives to support the arts, …

　　locomotion [ˌlokəˈmoʃən]n.运动;移动

　　only a knowledge of the overall system will reveal itsmechanism of the locomotion and the role of the battery within that system.

　　impetus [ˈɪmpɪtəs]n.动力;声势

　　And that’s okay, that’s science and they hypothesize that this migrationactually provided an important impetus in the development of ancient Egypt.

　　momentum [moˈmɛntəm]n.[物]动量;势头

　　The labor movement gathered some momentum before the Panic, but in the depression that followed, labor's strength collapsed.

　　以上是托福词汇解析，更多托福信息可以关注新航道托福频道。