blockage
noun [ C or U ] uk/ˈblɒk.ɪdʒ/ us/ˈblɑː.kɪdʒ/
障碍物;堵塞，阻碍
something that stops something else passing through, or the act of stopping something passing through
His death was caused by a blockage in one of his arteries. 他死于动脉阻塞。