| 单词 | 两则 |
| 释义 | 〔beam〕A transverse structural member of a ship's frame, used to support a deck and to brace the sides against stress.船梁：船的横向结构，用以支撑甲板并固着在船体的两则以抵抗压力〔ironclad〕A 19th-century warship having sides armored with metal plates.铁甲舰：19世纪两则用金属片作为护甲的战舰 |
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