单词	jack line
释义	jack line noun 1 : a small rope or line 2 : a rod or steel cable connecting a central pumping engine with each of two or more oil wells which it powers Word History Etymology jack entry 1 (something smaller)
随便看	Assyriology Assyro-Babylonian assythment assythments AST astacene astaci astacidaes Astacidea astacin Astacura astacurae astacuran astacuras astacus astacuses astacusses Astaire astana astarboard astare astart Astarte astartes astasias

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