staircase lock
noun
A series of consecutive canal locks arranged so that the upper gate of one lock serves as the lower gate of the next.
Origin
Early 20th century; earliest use found in Automotor Journal.
| 单词 | staircase lock |
| 释义 | staircase locknoun A series of consecutive canal locks arranged so that the upper gate of one lock serves as the lower gate of the next. Origin |
| 随便看 |
英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。