| 单词 | hand pump |
| 释义 | > as lemmashand pump hand pump n. ΚΠ 1651 C. Dymock Invention Engines of Motion 4 Hand-Pumps which make but small riddance. 1775 S. Graves Let. 8 Jan. in A. J. Wahll Voy. Canceaux (2003) 252 The Somerset was so leaky at Sea that two hand pumps were continually at Work. 1895 Sci. Amer. 16 Mar. 167/1 The whistle is blown by a hand pump. 2008 E. Hill So you want to be Med. Mum? xiii. 114 Electric pumps are very noisy, so you may prefer expressing with a hand pump at work. < as lemmas |
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