图片新闻【150】下一代超音速飞机

An undated artist impression of the next generation supersonic model aircraft that will be launched at the Woomera rocket range in outback Australia on July 11, 2002. The model of a passenger superjet capable of flying at twice the speed of sound is due to be tested by Japanese scientists in the remote Australian desert on Thursday. (Reuters - Handout)

词汇：

undated adj.未标日期的, 无限期的

supersonic

adj.超音波的
n.超声波, 超声频

outback

n.内地, (指澳大利亚等偏僻而人口稀少的地方)
adj.内地的
adv.在内地

superjet n.超音速喷气式飞机