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词汇 plunger
词源

plunger n.

1610s, "one who plunges," agent noun from plunge (v.). Used of various mechanisms (for example the dasher of a churn) by 1777; as "device used by a plumber to clear blocked pipes," by 1936.

updated on July 17, 2020

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更新时间:2025/5/2 10:06:19