That would be two times as fast as a jet flight and four times faster than a high-speed train.
速度将是喷气式飞机的两倍,是高速列车的四倍。
单词 | jet flight |
例句 |
原声例句
VOA慢速英语_美国 That would be two times as fast as a jet flight and four times faster than a high-speed train. 速度将是喷气式飞机的两倍,是高速列车的四倍。 Listen to this 2 英语中级听力 Ultimately, there's no reason why space travel should be, in terms of future incomes, much more expensive than jet flight today. 最终,就未来收入而言,太空旅行没有理由比今天的喷气式飞机飞行昂贵得多。 |
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