| 释义 |
Iron GateNONE（无词性）- A narrow gorge of the Danube River on the border of Yugoslavia and Romania. Created by a gap between the Carpathian and Balkan mountains, the gorge is bypassed by a ship canal (opened in 1896) to allow navigation by large river craft.铁门：多瑙河在南斯拉夫和罗马尼亚边境线上的一段狭窄的峡谷。该峡谷是由喀尔巴阡山脉和巴尔干山脉之间的一个山口造成的。沿该峡谷已建起一条运河(1896年开通）以供较大的内河船只通行
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