booster
Longman Dictionary of Contemporary English 5++LDOCE 5++boost·er /ˈbuːstə $ -ər/ noun [countable] 1 MDa small quantity of a drug that increases the effect of one that was given before, so that someone continues to be protected against a disease 加强剂量 a booster shot 加强针2 HELPsomething that helps someone or something to increase or improve, or to be more successful or confident 起推动作用的事物，令人鼓舞的事情 a booster pump 增压泵 a profit booster for the company 对公司利润的刺激morale/confidence booster Mail from home is a big morale booster for faraway troops. 家书可以大大提振远方军队的士气。3 TTSa rocket that is used to provide extra power for a spacecraft to leave the Earth 助推火箭 a giant booster rocket 一个巨大的助推火箭4 American EnglishSUPPORT A PERSON, GROUP, OR PLAN someone who gives a lot of support to a person, organization, or idea 拥护者，热心支持者 a dance organized by the school’s booster club 由学校球迷俱乐部举办的一场舞会
Examples from the Corpus
booster• The Atlantis boosters underwent the same repair procedure as those that launched Columbia.• The Christmas Day morale booster was only the game show host's second trip outside hospital since his near-fatal crash.• That kind of morale booster is infectious and they could well have won by a bigger margin.• This is important-if one booster had more thrust than the other, the craft might not leave the ground vertically!• This flyby mission could be flown on the reliable Proton booster and could be done quickly.• Both were launched by separate Proton boosters in June of 1983.• the Kennedy High School Booster Club• This isn't a good time, though, because September marked the start of the lucrative winter season for serious boosters.• The worst of the damage was found in joints in the middle of the boosters.morale/confidence booster• The Christmas Day morale booster was only the game show host's second trip outside hospital since his near-fatal crash.• He brings a joy and an ebullience to his work which is a fantastic morale booster for the cast.• Such fairs are a great morale booster for any nurse who feels unappreciated.• Voice over Seeing the parachutes back in the air has been a great morale booster for the base.• That kind of morale booster is infectious and they could well have won by a bigger margin.boost·er nounChineseSyllable
a of that a effect drug increases Corpus small quantity the
booster
boost‧er /ˈbuːstə $ -ər/
noun [countable]
1. a small quantity of a drug that increases the effect of one that was given before, so that someone continues to be protected against a disease:
a booster shot
2. something that helps someone or something to increase or improve, or to be more successful or confident:
a booster pump
a profit booster for the company
morale/confidence booster
Mail from home is a big morale booster for faraway troops.
3. a rocket that is used to provide extra power for a spacecraft to leave the Earth:
a giant booster rocket
4. American English someone who gives a lot of support to a person, organization, or idea:
a dance organized by the school’s booster club
boost‧er /ˈbuːstə $ -ər/
noun [countable]1. a small quantity of a drug that increases the effect of one that was given before, so that someone continues to be protected against a disease:
2. something that helps someone or something to increase or improve, or to be more successful or confident:
morale/confidence booster
3. a rocket that is used to provide extra power for a spacecraft to leave the Earth:
4. American English someone who gives a lot of support to a person, organization, or idea:
especially