Praise is a great confidence booster.赞扬是一种很好的信心增强剂。

It was amazing what a morale booster her visits proved.结果证明她的几次探访极大地鼓舞了士气, 这真令人吃惊。

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。

Ground controllers will then fire the booster, sending the satellite into its proper orbit.地面控制器届时将助推器点火, 把卫星送入预定轨道。

We need to dress those wounds and give you a tetanus booster.我们要给你包扎伤口, 并注射破伤风疫苗的加强针。