- (also booster rocket)
a rocket that gives a spacecraft extra power when it leaves the earth, or that makes a missile go further Topics Spacec2助推器 a device that gives extra power to a piece of electrical equipment (电器的)升压机,升压器 an extra small amount of a drug that is given to increase the effect of one given earlier, for example to protect you from a disease for longer 加强剂量 a tetanus booster 破伤风加强剂
a thing that helps, encourages or improves somebody/something 帮助(或激励、改善)…的事物 a morale/confidence booster 士气/信心的激励
- (especially North American English)
a person who gives their support to somebody/something, especially in politics (尤指政治上的)支持者,拥护者 a meeting of Republican boosters 共和党支持者的会议