concertina [ˌkɑ:nsərˈti:nə]

例句:

• Its main bridge - a huge concrete structure - now lies concertina ed on the riverbed.
  钢筋混凝土结构的主要桥梁,被扭扁坍塌在河床.
  
• The ruffs' multiple concertina folds appeared again on some of the bell-shaped skirts, and looked delicately beautiful.
  来自THETIMES
• Fanfold: Also called Accordion fold , Concertina fold , Over and back fold , Zigzag fold.
  扇形摺: 亦称风琴摺, 之字摺.
  
• High stone walls topped with snaky concertina wire, set off at intervals by looming guard towers.
  顶部装着蛇腹式铁丝网的高高的石墙, 被渐渐隐现的哨塔隔开.
  
• Stacked rows of concertina ring the narrow marsh at the edge of the lagoon.
  来自VOA
• Roughly scrunch the edges of the pastry case in a concertina, trimming away any excess.
  来自BBC