That's because the mission will take multiple rocket-engine firings and last about six hours.
这是因为这次发射任务将进行多次火箭发动机点火并持续大约6个小时。
|noun|
1.The action of setting fire to something.
‘the deliberate _firing_ of 600 oil wells’
‘The _firing_ of houses and outhouses, warehouses, barns, stables and hayricks, could all be the subject of arson prosecutions in the Old Bailey.’
2.The baking or drying of pottery or bricks in a kiln.
‘the colours had suffered in the _firing_ and were dull from overheating’
‘Then I turn the kiln up in the morning and complete the _firing_ slowly.’
3.The discharging of a gun or other weapon.
‘the prolonged _firing_ caused heavy losses’
‘no missile firings were planned’
4.The dismissal of an employee from a job.
‘the recent _firing_ of the head of the department’
‘a series of firings and resignations’
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|noun|
‘the deliberate _firing_ of 600 oil wells’
