1.In the United States, a company is working on a project that could change the way we think about public transportation.
work on 影响,对…起作用;继续工作;从事于…;设法说服
The scientists are still working on inventing new methods of reaching outer space.
科学家们仍致力于发明到达外层空间的新方法 。
The doctor told him that this kind of medicine may work on him.
医生对他说这种药对他可能有效 。
2."It's 100 percent solar powered...we're not going to get up to 760 miles per hour, but we believe we can actually break the records that are existing right now."
break the record 打破纪录
He is trying his best to break the record.
他正在尽最大努力去打破记录 。
He did very well, but failed to break the record.
他做得很出色,但未破记录 。