单词	pump bob
释义	pump bob noun : a bell crank or similar device for converting rotary into reciprocating motion Word History Etymology pump entry 1
随便看	encumbered encumbering encumberingly encumberments encumbers encumbrance encumbrancer encumbrancers encumbrances ency encyc encycliae encyclias encyclical encyclicals encyclics encyclopaedia encyclopaedia, encyclopaedic encyclopaedias encyclopaediast encyclopaedism encyclopaedisms encyclopaedist encyclopaedists encyclopedia

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