blocked up
柯林斯词典
1. ADJ If something is blocked or blocked up, it is completely closed so that nothing can get through it. 封锁的; 闭塞的; 堵住的
The main drain was blocked. 主下水道被堵住了。
His arteries were blocked up again, requiring him to undergo repeat surgery. 他的动脉再次栓塞，需要再做一次同样的外科手术。
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