booster

These involve smaller doses of the vaccine injected at two or eight areas of the body on the first day, followed by later booster shots.
对于这种方法，患者在疗程的第一天接种一整支疫苗，分别在身体的4个部位注射。
As the vacuum pressure is often said, booster pump is positive pressure pump pump.
比如常说的真空泵就是负压泵，增压泵就是正压泵。
At the very least, it is a morale booster. Fire can also be used to distill water cook, and provide light for you and your rescuers.
至少火能够鼓舞你的士气，另外还能用来蒸馏水、蒸煮食物、为自己和救援人员提供照明。
The object was too light to be a brick, but it was the same density as a piece of foam from a solid rocket booster.
这一物体太轻了而不可能是一个砖，然而它和固体燃料助推器上的泡沫的密度是相同的。
She said she believed that at least one booster shot, and probably more, would be needed over a lifetime.
她说，她认为要得到终身保护至少要加强一针，或许更多。
The huge, showy booster rockets fallen away, it was just a little glider or an aeroplane.
巨大显眼的助推火箭脱离后，它看上去只是架小型滑翔机或飞机。
How much reduction can the booster achieve in exhaust emission?
按装汽车省油器之后会减低多少排放废气量？
"It was a big confidence booster to be selected for the game and it shows the manager has faith in me, " said the full-back.
“被选为首发对我而言是对信心的提升与鼓励并且显示了教练对我的信任，”这名后卫说道。
Even in a time of climate change, it's hard to be a nuclear booster.
即便是在气候变迁时代，要成为一名核子支持者也相当困难。
In turn, Weber was the most famous of a dozen women directors who found a booster in Carl Laemmle, the head of Universal.
按序而论，韦伯是作为环球影业老板拉姆勒推手的许多女导演中最有名的一位。