名词
中文翻译：Unknown
同义词：
["分割线，界线，中线例句：1. The line on the map is a guide to the city's geography.（地图上的这条线是城市地理的指南。）"]
例句：
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1. The line on the map is a guide to the city's geography.
地图上的这条线是城市地理的指南。
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2.The line of cars in the street was moving slowly.
街上的车流缓慢移动。
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3. The line of defense is set up to protect the city from attack.
防线设置是为了保护城市免受攻击。