动词
中文翻译：Unknown
同义词：
['safe', 'ensure', 'guarantee']
例句：
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1.The new security system has made our home much more secure.
新的安全系统让我们的家更安全了。
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2. He secured the deal with his last-minute offer.
他通过最后一刻的报价确保了交易。
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3.We need to secure the agreement before it expires.
我们需要在协议到期前确保它得到保障。