1. 起飞火箭：takeoff ramp ==> 起飞弹射器 | takeoff rocket ==> 起飞火箭 | takeoff roll ==> 起飞滑跑
1. SEOUL - South Korea launched a locally assembled space rocket, but contact with the rocket was lost only a few minutes into the takeoff.
2. In December 1999, another Brazilian rocket developed problems and failed three minutes after takeoff.
3. South Korea says a test rocket fizzled soon after takeoff in July 2006.
noun
1. the first stage of a multistage rocket
Synonym: booster booster rocket booster unit takeoff booster