concertina

美 [.kɑnsər'tinə]

英 [.kɒnsə(r)'tiːnə]

复数：concertinas 现在分词：concertinaing 过去分词：concertinaed

权威英汉双解

concertina

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1.	六角手风琴a musical instrument like a small accordion , that you hold in both hands. You press the ends together and pull them apart to produce sounds.

1.	[i] （像六角手风琴一样）折起，折叠to fold up like a concertina

The truck crashed into the tree and concertinaed.

货车撞在树上撞扁了。