动词
中文翻译：确保
同义词：
['ensure', 'guarantee', 'ensure', 'assure', 'safeguard例句：1. We need to secure the door before we go out.（我们需要在出门前确保门已经锁好。）']
例句：
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1. We need to secure the door before we go out.
我们需要在出门前确保门已经锁好。
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2. The company has secured a new contract with the government.
该公司已经与政府签订了新的合同。
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3.The security guard was tasked with securing the perimeter of the building.
保安被指派负责保护建筑的外围区域。