concertina

音标发音

If I could get that dressmaker to make a concertina skirt like Susy Nagle's.
我要是能叫裁缝给我做一条苏西。内格尔那样的百褶裙该有多好。
Some briefcases have concertina sections. Remember to clear this out when you come back from trips to avoid your unwashed briefs billow out onto the boardroom table.
有的包是有那种手风琴夹层的，记得出差回来清空检查一下，避免在会议上找文件时把你未洗的内裤抖出来。
edu.sina.com.cn
At Bozai Gumbaz, in the heart of the Little Pamir, centuries-old beehive-shaped tombs built by the Kyrgyz sit next to rusted concertina wire left over from a Soviet military base.
小帕米尔高原的中心，Bozai Gumbaz，那里有柯尔克孜人建起的几百年历史的坟墓，如蜂窝状聚在一起，紧靠着苏联军队在此据点时留下的生绣的军用防护铁丝网。

The concertina and armed patrols suggest that Bigelow is up to something unusual, something expensively unusual and quite sensitive.
FORBES: Magazine Article
It was supposed to be a convertible, but the concertina metal bits that supported the canvas top were too rusted to fold back.
NEWYORKER: Hand on the Shoulder
Spools of concertina wire top the 10-foot fences that surround the camp, where workers eat under the bright lights of a mess hall, 20 days on, 10 days off.
FORBES: The Treasure of the Sierra Madre

a musical instrument with a folding middle part that is played by pushing both ends together with the hands and pressing buttons
to fold, crush, or push together

A concertina is a musical instrument consisting of two end pieces with stiff paper or cloth that folds up between them. You play the concertina by pressing the buttons on the end pieces while moving them together and apart.