PHRASAL VERB When a space rocket blasts off, it leaves the ground at the start of its journey. (火箭等) 发射升空
Columbia is set to blast off at 1:20 a.m. Eastern Time tomorrow.
哥伦比亚号定于东部时间明晨1:20点火起飞。
The human spaceflight carrier rocket project had seen success in blast-off from the first rocket to the fourth one laying a solid foundation for the blast-off of the fifth rocket.
载人航天运载火箭经历了从第一枚到第四枚发射的成功，为第五枚火箭发射打下了坚实基础。
The space shuttle had been scheduled to blast off at 04:38.
这架航天飞机计划于04:38发射升空。
Columbia is set to blast off at 1:20 a.m. Eastern Time tomorrow.
哥伦比亚号定于东部时间明晨1:20点火起飞。
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