| 单词 | manhole cover |
| 释义 | Definition of manhole cover in English:manhole covernoun
OriginMid 19th century; earliest use found in John Weale (1791–1862), publisher and writer on architecture. Definition of manhole cover in US English:manhole covernoun
OriginMid 19th century; earliest use found in John Weale (1791–1862), publisher and writer on architecture. |
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