名词
中文翻译：防御准备
同义词：
['protection', 'defense', 'preparedness']
例句：
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1.The army has been preparing for the invasion for months.
军队已经为入侵做好了几个月的准备。
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2.The company is making a defense preparation against the economic downturn.
公司正在为经济衰退做准备。
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3. The soldiers are practicing their defense preparations in the field.
士兵们正在野外练习他们的防御准备。