beefed-up

例句：

1. 1. We need to beef up our defenses against the new virus.
   我们需要加强我们的防御措施来对抗新的病毒。
2. 2.The company has beefed up its marketing team to meet the increased demand.
   公司已经加强了其营销团队以满足增加的需求。
3. 3.The athletes have beefed up their training regimen for the upcoming competition.
   运动员们为了即将到来的比赛已经加强了他们的训练计划。