5.5吨重无人驾驶巴士挑战高山峡谷玻璃桥 Self-driving bus crosses glass-bottomed bridge at Zhangjiajie Canyon

[Photo: IC]

The self-driving(无人驾驶 wú rén jiàshǐ) bus crosses the Zhangjiajie Grand Canyon's glass-bottomed bridge(玻璃桥 bōlí qiáo) in central China's Hunan Province on Wednesday, April 24, 2019.

[Photo: IC]

The 25-seater bus weighs 5.5 ton(吨 dūn), has a maximum speed(速度 sùdù) of 40 kilometers per hour.

重点词汇 Key Word:

挑战 Challenge (to a contest); dare

• Tiǎozhàn yǔ jīyù bìngcún.
  挑战与机遇并存。
  There exist challenges as well as opportunities.

• Tā dàizhe tiǎozhàn de mùguāng kànzhe wǒ.
  她带着挑战的目光看着我。
  She looked at me with challenge.