booster rocket

基本解释

The EKV willimmediately bank sharply to either the right or the left to avoid being hitfrom behind by the booster rocket.
大氣層外攔截器(EKV)會立刻曏左邊或者右邊傾斜，以防止被後麪的助推火箭撞擊到。
You have nothing to fear, for Mars will act like a booster rocket to your career to lead you precisely where you want to go.
你沒有什麽好害怕，火星會好像火箭推動器一般，在事業上帶你到你想到的地方。
They have some sort of genetic booster rocket and they seem to be functioning better for longer periods of time than centenarians.
他們具有某種遺傳助推性而且他們似乎要比百嵗老人在更長時期內機能健碩。

B-52 bomber, dropped from the bomber, and then accelerated to Mach 7 by a booster rocket.
ECONOMIST: Hypersonic aviation
Besides containing living quarters, it will carry the booster rocket needed to push the station back into place if it starts to fall out of orbit.
ECONOMIST: Rocket science
Last year, in its most recent test, the X-51 fell for about four seconds before its booster rocket ignited, but the aircraft failed to separate from the rocket and plunged into the ocean.
MSN: Hypersonic aircraft taken out for a trial run on B-52 bomber