名词
中文翻译：Unknown
同义词：
['primary', 'fundamental', 'primal']
例句：
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1. The initial steps in the process are crucial to its success.
过程的初步步骤对于其成功至关重要。
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2. The primary goal of the project is to improve efficiency.
该项目的主要目标是提高效率。
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3. The primal instincts of all living beings drive them towards survival.
所有生物的原始本能驱使它们向生存发展。