sealed off adj. 封离的(烫开的) 例句与用法: Police sealed off the street. 警察封锁了街道。 The tube was sealed off by fusing the material together. 管子以熔合管端的方法封闭起来了。 词形变化: 形容词: sealable | 动词过去式: sealed | 动词过去分词: sealed | 动词现在分词: sealing | 动词第三人称单数: seals |