pump log
/ˈpʌmp ˌlɒɡ/US. Now chiefly historical
noun
A hollowed log used in the construction of a pump or as a water pipe.
Origin
Early 19th century; earliest use found in The North American Review. From pump + log.
| 单词 | pump log |
| 释义 | pump log/ˈpʌmp ˌlɒɡ/US. Now chiefly historical noun A hollowed log used in the construction of a pump or as a water pipe. Origin |
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