| 单词 | booster |
| 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 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 |
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