单词	Sprengel pump
释义	Sprengel pump noun : an air pump in which exhaustion is produced by drops of mercury running down a narrow tube and trapping bubbles of gas between them Word History Etymology after Herman J. P. Sprengel
随便看	ring-necked duck ring-necked lizard ring-necked parrakeet ring-necked pheasant ring-necked plover ring-necked snake ring-netter ring-oil ring-porous radiolabels radiolaria radiolariae radiolarian radiolarian ooze radiolarians radiolarias radiolarite radiolite Radiolites radiolitic radiolitid radiolocation radiolocations radiolocator radiologic

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