- something or someone that prevents something from happening or succeeding
起阻挠作用的人或物 - something that prevents something from passing through it to reach a place
阻断物 - a substance or medicine that stops a particular process from happening in the body
阻断剂 - in American football, a player that stops players from the other team from reaching the player carrying the ball
（美式足球）阻挡球员 - in ice hockey (= a game played on ice), a large, thick piece of material worn on the hand and arm of a goaltender (= the player who stands in the team's goal to try to stop the other team from scoring)
（冰球比赛期间守门员戴在手和手臂上的）护具
a football player whose responsibility is to block players attempting to stop an offensive play
a class of drugs that inhibit (block) some biological process
同义词：blocking agent
- n.
双解例句
- 起阻挠作用的人或物
I've installed an ad blocker so I don't get all those annoying adverts popping up when I'm browsing.
我安装了广告拦截器，这样我在浏览时就不会弹出那些烦人的广告了。
The school needs to identify staff who are blockers of progress.
学校需要找出那些阻碍进步的员工。
- 阻断物
Titanium and zinc are effective blockers of ultraviolet radiation.
钛和锌是有效的紫外线辐射阻断剂。
- 阻断剂
Calcium channel blockers help control an irregular heart beat.
钙通道阻断剂有助于控制心律不齐。
To test whether opiates were responsible for the effects, researchers gave subjects an opiate receptor blocker.
- （美式足球）阻挡球员
His size and speed made him both an excellent blocker and a useful offensive player.
他擅长于逼抢四分卫，以至于有时候对方球队会派出多达三名阻挡球员来挡住他。
He was so good at sacking the quarterback that teams sometimes used as many as three blockers to keep him away.
- （冰球比赛期间守门员戴在手和手臂上的）护具
Right-handed goaltenders will wear the blocker on the right hand.
惯用右手的守门员会将护具戴在右手。
实用短语
钙通道阻滞药,钙离子阻断剂,钙离子拮抗剂,钙通道阻滞剂
触摸板临时屏蔽工具,关闭笔记本触摸屏,笔记本触摸板禁用工具,触摸板拦截器
呼叫拦截,来电拦截,超级来电拦截
受体阻滞剂,受体阻断剂,贝他阻断剂
高级拦截,智能拦截,高级阻挡
弹出窗口屏蔽,弹出窗口拦截器,弹出窗口阻止程序,弹出广告拦截器
通道封阻剂,通道阻断剂,径路阻断剂,通道阻滞剂
智能弹出菜单拦截器