If you need a boost of vitamin C, for example, one of the best things to eat are blueberries.

例如，如果你需要补充维生素C，最好的食物之一就是蓝莓。

youdao

Problem: Your legs need a boost.

问题二：刺激你的腿部。

youdao

And when you need a boost, act like you've never lost your self-assurance.

当你需要提高时，像从未失去过自信一样去做。

youdao

Some, like the smallpox vaccine on one exposure generates a very high response that lasts for many years so you don't need a boost.

有一些疫苗,比如接触一次天花疫苗后,人体就能产生高水平的免疫应答,并持续很多年,所以无需再次接种

耶鲁公开课 - 生物医学工程探索课程节选

Public-school students in the South Bronx who need a boost will have new options this summer.

WSJ: Donors Fund Summer Class in South Bronx

They need a boost in jobs and more cash in the economy.

FORBES: Stop telling me to grow big and spend. I'm happy the way I am.

Capture this image right before you enter a room and keep bringing it up when you need a boost through out the event.

FORBES: How I Got Over My Hatred of Networking