名词
中文翻译：准备的
同义词：
['preparatory', 'preparatory', 'preliminary', 'preparatory']
例句：
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1. Thepreparation of the experiment required a lot of time and effort.
实验的准备需要大量的时间和努力。
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2.The preparatory work for the conference had already begun.
会议的准备工作已经开始了。
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3.The preparatory phase of the project is crucial to its success.
项目的准备阶段对项目的成败至关重要。