名词
中文翻译：初级殖民地
同义词：
['major colony', 'primary settlement']
例句：
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1. The primary colony of the city is located in the center.
这个城市的主殖民地位于市中心。
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2. The primary colony has a population of over 50,000 people.
这个主殖民地的人口超过5万人。
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3. The primary colony was established in 1784 and has been growing ever since.
这个主殖民地成立于1784年，自那时起一直在增长。