blockers/ˈblɑː.kɚ/名词起阻挠作用的人或物Calcium channel blockers help control an irregular heart beat.钙通道阻断剂有助于控制心律不齐。(美式足球)阻挡球员The puck bounced clear off the goalie's blocker.冰球从守门员的挡拦板上弹开。想跟读,去练习