n.[C]

1. 墩距；跨度
2. 一段时间
   Over a short span of three years a surprising amount has been achieved.

   在短短三年时间里，已经取得了惊人的成绩。

3. 指距，一叉宽（合九英寸）
4. 全长
5. 【空】翼展
6. 【美】共轭马，共轭骡

vt.

1. （桥、拱等）横跨，跨越
   A bridge spanned the river.

   一桥横跨该河。

2. 在……架桥；在……上建拱门
3. 以指距量；测量
4. 用手环绕
5. 持续，包括，延伸到

n.

1. the full extent of something from end to end; the amount of space covered.
   ▸a wingspan.
   ▸a part of a bridge between piers or supports.
2. the length of time for which something lasts.
3. (also handspan) the maximum distance between the tips of the thumb and little finger, taken as the basis of a measurement equal to 9 inches.
4. archaic a short distance or time.

v.

n.

1. Nautical  a rope with its ends fastened at different points in order to provide a purchase.
2. a team of people or animals, especially a matched pair of horses or oxen.

v.

adj.