security [sɪˈkjʊərəti]

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单词级别

第5级

基本释义

n.安全，安全感；防护措施；保证(金)，抵押(品)；债券，证券

英英释义

protection of a person , building , organization or country against threats such as crime or attacks by foreign countries

参考例句

A security guard brought him down with a flying tackle. 一名保安人员飞身把他抱倒。
There was tight security at the airport when the President's plane landed. 总统的专机降落时，机场的保安措施很严密。

security [sɪˈkjʊərəti]

单词级别

基本释义

英英释义

参考例句

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