| 释义 |
booster
—booster /ˈbuː.stər/ aep /-stɚ/
Ⅰ noun [C] (DRUG) ► F0 an extra small amount of a drug given to increase the effect of the same drug given some time before, to protect a person from illness: » a polio boosterThesaurus+: ↑Medicine in different forms
Ⅱ noun [C] (ENGINE) ► F0 an engine on a spacecraft that gives extra power for the first part of a flight: » a rocket boosterThesaurus+: ↑Space travel
Ⅲ noun [C] (IMPROVEMENT) ► F0 something that improves or increases something: » a confidence/morale boosterThesaurus+: ↑Making things better , ↑Becoming better |