boost
US /buːst/
UK /buːst/

1.
促进, 提高
to help improve something or make it more successful
:
•
The new advertising campaign aims to boost sales.
新的广告活动旨在促进销售。
•
Winning the competition really boosted her confidence.
赢得比赛确实增强了她的信心。
1.
提振, 帮助
an act of helping or encouraging someone or something
:
•
The tax cuts gave the economy a much-needed boost.
减税为经济提供了急需的提振。
•
A word of encouragement can give someone a big boost.
一句鼓励的话能给人很大的帮助。