VOA慢速英语:Personal Flying Vehicles Close to Reality

短语讲解：

1. Many people have long dreamed of being able to fly around as simply as riding a bicycle.

dream of 梦想; 梦见
例句：Her dream of visiting Australia came true.
她访问澳大利亚的梦想实现了。

2. “With adducted rotors you immediately not only protect people and property if you were to bump into them, but if you ever were to bump into somebody or property, it's going to bring the aircraft out of the air,” Mr. Stapleton says.

bump into 撞上; 偶然碰见
例句：Did anyone bump into him?
有人撞到他了吗?

3. Mr. Coker says Jetpack will be ready for sale to the public by the end of 2016.

by the end of 到…为止
例句：By the end of 40's the riddle of superfluidity was solved.
大约在四十年代末，超流的谜终于解开了。