support trench
Military
noun
A trench forming part of a line of strongpoints in the rear of the strongpoints of a firing line.
Origin
Early 20th century; earliest use found in The Times.
| 单词 | support trench |
| 释义 | support trenchMilitary noun A trench forming part of a line of strongpoints in the rear of the strongpoints of a firing line. Origin |
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