动词
中文翻译：Unknown
同义词：
['cross', 'traverse']
例句：
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1. The bridge spanning the river is a marvel of engineering.
横跨河流的桥梁是工程学的奇迹。
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2. The expedition spanned several months and covered thousands of miles.
这次探险历时数月，覆盖了数千英里。
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3. The spanning distance was too great for the current to carry it.
跨越的距离太大，水流无法承载。