名词中文翻译
中文翻译：现存的
同义词：
['existing', "existing例句：1. The preexisting conditions were a major factor in the patient's recovery.（患者康复前存在的条件是主要因素。）2. The preexisting knowledge of the subject matter is essential for understanding the text.（对主题知识的先验知识对于理解文本至关重要。）"]
例句：
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1. The preexisting conditions were a major factor in the patient's recovery.
患者康复前存在的条件是主要因素。
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2. The preexisting knowledge of the subject matter is essential for understanding the text.
对主题知识的先验知识对于理解文本至关重要。
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3. The preexisting plan was not feasible due to budget constraints.
由于预算限制，原有的计划不可行。