形容词
中文翻译：主要的
同义词：
['primary', 'chief', 'foremost例句：1. This is the primary reason for their success.（这是他们成功的主要原因。）']
例句：
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1. This is the primary reason for their success.
这是他们成功的主要原因。
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2. The primary goal of the project was to reduce carbon emissions.
该项目的首要目标是减少碳排放。
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3. The primary focus of the meeting was on budget allocation.
会议的主要焦点是预算分配。