subtrench
/ˈsʌbtrɛn(t)ʃ/Chiefly Engineering
noun
A trench dug within another trench; a secondary or subsidiary trench.
Origin
Mid 17th century. From sub- + trench.
| 单词 | subtrench |
| 释义 | subtrench/ˈsʌbtrɛn(t)ʃ/Chiefly Engineering noun A trench dug within another trench; a secondary or subsidiary trench. Origin |
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