人教版《小学英语》(第1册)
学习进度:1/313
security
[sɪˈkjʊərəti]
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n.安全,安全感;防护措施;保证(金),抵押(品);债券,证券 |
参考例句:
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- 1. A security guard brought him down with a flying tackle. 一名保安人员飞身把他抱倒。
- 2. 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。
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