名词
中文翻译：前缘
同义词：
['front', "front edge例句：1. The car's front span is damaged in the accident.（这辆车在事故中前部受损。）"]
例句：
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1. The car's front span is damaged in the accident.
这辆车在事故中前部受损。
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2. The engineer measured the front span of the bridge accurately.
工程师准确地测量了这座桥的前部跨度。
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3.The new design aims to improve the front span of the vehicle.
新设计旨在提高车辆的前部宽度。