動詞 span:

1. to cover or extend over an area or time period
   同義詞：cross, traverse, span, sweep

1. Lying across or over; spanning.
   跨過橫過或躍過; 橫跨
2. It has a span of4260 feet. The bridge is so long that the shape of the earth had to be taken into account by its designer.
   橋的跨度有4,260英尺。橋梁很長，所以它的設計師不得不考慮地球的形狀。
3. The arch has a span of 60 metres.
   那個拱的跨度為60米。
4. A similar spanning frame supporting a group of railway signals over several tracks.
   跨軌信號架一種類似的跨距架，跨越多條軌道并安裝了許多鐵路信號