Migrants cross the river and climb a few feet uphill into overgrown plants and concertina wire to surrender on the farm's edge.
移民越过河流，爬上几英尺高的山坡，穿过杂草丛生的植物和铁丝网，在农场的边缘投降。
Concertina wire
原声例句
VOA Special 2022年9月合集
英语百科
Concertina wire
Concertina wire or Dannert Wire is a type of barbed wire or razor wire that is formed in large coils which can be expanded like a concertina. In conjunction with plain barbed wire and steel pickets, it is used to form military wire obstacles.
During World War I soldiers manufactured concertina wire themselves, using ordinary barbed wire. Today, it is factory-made.
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