| 释义 |
booster
UK ['bu:.stər] US [-stɚ] noun countable
IMPROVEMENT 改进处
■something which improves or increases something 促进提高的事物；起推动作用的事物•a confidence/morale booster对信心／士气的激励
UK ['bu:.stər] US [-stɚ] noun countable
ENGINE 器械
■an engine on a spacecraft that gives extra power for the first part of a flight （太空船的）推进器•a rocket booster火箭推进器
UK ['bu:.stər] US [-stɚ] noun countable
DRUG 药品
■an extra small amount of a drug given to strengthen the effect of the same drug given some time before, to protect a person from illness （增强药效的）辅助药剂•a polio booster小儿麻痹症辅助药剂 |