形容词
中文翻译：自由排水的
同义词：
['unrestricted', 'unobstructed']
例句：
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1.The new drainage system is designed to free draining the wastewater from the city.
新的排水系统设计用来自由排水城市废水。
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2.The road was free draining after the rain, allowing vehicles to pass without delay.
雨后道路自由排水，车辆可以畅通无阻地通行。
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3.The construction of this new bridge will greatly improve the free draining capacity of the river.
这座新桥的建设将大大改善河流的自由排水能力。