1. a person who backs a politician or a team etc.;

   "all their supporters came out for the game"
   "they are friends of the library"
   

2. someone who is an active supporter and advocate

3. a thief who steals goods that are in a store

4. an amplifier for restoring the strength of a transmitted signal

5. the first stage of a multistage rocket

6. an additional dose that makes sure the first dose was effective

1.有正面效果的事物；起推动作用的事物
Abooster is something that increases a positive or desirable quality.

e.g. It was amazing what a moralebooster her visits proved...
令人惊诧的是，她的访问大大鼓舞了士气。
e.g. Praise is a great confidencebooster.
赞扬是一种很好的信心增强剂。

2.火箭助推器；推进器
Abooster is an extra engine in a machine such as a space rocket, which provides an extra amount of power at certain times.

e.g. Ground controllers will then fire thebooster, sending the satellite into its proper orbit.
然后地面控制人员将会发射推进器，把卫星送入正常轨道。

3.加强剂量
Abooster is a small injection of a drug that you have some time after a larger injection, in order to make sure that the first injection will remain effective.

4.拥护者；热心支持者
Abooster is someone who supports a sports team, organization, person, or place very enthusiastically.

booster

e.g. A former associate of Mr. Pierce's was among the project's boosters.
皮尔斯先生的一个前合伙人是这个计划的热心支持者之一。
e.g. ...the university's biggest athleticbooster club.
该大学最大的体育爱好者俱乐部

1. booster的反义词

1. 增强器：其中,3.5GeV增强器(booster)是我国自主设计建造的第一台重复频率为2Hz的电子同步加速器,周长为180米,它的主要作用是将从直线加速器注入的150MeV电子束能量提升到3.5GeV,并注入到储存环中.

2. booster的翻译

2. 增压器：增压器 (booster) 用来提高摄影灯光电压伏数的一种发电机. 作者论 (AUTEUR THEORY) 西文从文艺评论移植过来的一种电影批评理论. 根据这一理论,一个导演如果说在其一系列作品中表现出题材和风格上的某种一贯的特征,

3. 布斯特：白(1只)布斯特 (booster ) 材料:白兰地(2.3 盎司)、橙皮利口酒(0.5 盎司)、蛋白(1只)彩虹酒 (pousse caff ) 材料:红糖油(适量)、蓝糖油(适量)、咖啡甜酒(适量)、白兰地(适量)异国情调 (exorcist cocktail ) 材料: 特吉拉酒(0.5 盎司) 巴罗洛柑桂酒(0.25 盎司) 冰块王子 ( pousse caffe ) 材料: 糖浆(1盎司)、石榴红糖浆(1盎