形容词
中文翻译：主要的
同义词：
['primary', 'primary-grade', 'prime']
例句：
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1.The primary goal of the experiment was to test the theory.
实验的主要目标是测试这个理论。
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2. The primary school teacher is responsible for teaching basic reading and writing skills.
小学老师负责教授基本的阅读和写作技能。
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3. The primary color in this painting is blue.
这幅画的主要颜色是蓝色。