blocker

US /ˈblɑː.kɚ/
UK /ˈblɑː.kɚ/
"blocker" picture
1.

阻截者, 阻碍物

a person or thing that blocks something

:
The defensive blocker prevented the opposing team from scoring.
防守阻截者阻止了对方球队得分。
This ad blocker significantly improves my browsing experience.
这个广告拦截器显著改善了我的浏览体验。