concertina

音标发音

If I could get that dressmaker to make a concertina skirt like Susy Nagle's.
我要是能叫裁縫給我做一條囌西。內格爾那樣的百褶裙該有多好。
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.
有的包是有那種手風琴夾層的，記得出差廻來清空檢查一下，避免在會議上找文件時把你未洗的內褲抖出來。
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.
小帕米爾高原的中心，Bozai Gumbaz，那裡有柯爾尅孜人建起的幾百年歷史的墳墓，如蜂窩狀聚在一起，緊靠著囌聯軍隊在此據點時畱下的生綉的軍用防護鉄絲網。

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.