span

名词 span:

1. the complete duration of something
2. the distance or interval between two points
3. two items of the same kind
   同义词：couple, pair, twosome, twain, brace, yoke, couplet, distich, duo, duet, dyad, duad
4. a unit of length based on the width of the expanded human hand (usually taken as 9 inches)
5. a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.
   同义词：bridge
6. the act of sitting or standing astride
   同义词：straddle

动词 span:

1. to cover or extend over an area or time period
   同义词：cross, traverse, sweep

1. They always keep their kitchen spick and span.
   他们的厨房总是很整洁。
2. Modern medicine has increased man's life span.
   现代医学延长了人的寿命。
3. Can you span an octave on the piano?
   乍能按到钢琴的八个键吗？