[{"_1":2,"_68":-5,"_69":-5},"loaderData",{"_3":4},"lang-word",{"_5":6,"_21":22,"_57":58,"_63":64},"entry",{"_7":8,"_9":8,"_10":-5,"_11":12,"_13":14,"_15":16,"_17":18,"_19":20},"headword","piston","slug","pronunciation","type","simple_noun","complexity","simple","totalCollocations",1,"avgFrequency",8.5,"languageVariants",[],"categories",[23],{"_24":25,"_9":26,"_27":28},"name","piston + NOUN","piston-noun","collocations",[29],{"_30":31,"_32":33,"_9":34,"_35":36,"_37":38,"_39":40,"_44":45,"_56":-5},"collocation","engine","phrase","piston engine","piston-engine","usage","Refers to a common type of internal combustion engine that uses one or more reciprocating pistons.","label","","frequency",{"_41":18,"_42":43},"score","perMillion",25,"examples",[46,47,48,49,50,51,52,53,54,55],"The classic car still runs on its original piston engine.","Modern aircraft often use powerful jet engines instead of piston engines.","The mechanic specialized in repairing antique piston engines.","Understanding the mechanics of a piston engine is crucial for engineers.","Early automobiles were equipped with rudimentary piston engines.","The efficiency of a piston engine has improved significantly over the years.","This particular model boasts a highly advanced piston engine design.","For smaller vessels, a reliable piston engine is often preferred.","Converting older vehicles to electric power often means removing the piston engine.","The exhibit showcased the evolution of the piston engine from its inception.","translation","relatedEntries",{"_59":60,"_61":62},"asSubject",[],"asObject",[],"serverTranslations",{"_34":65},{"_32":66,"_35":67},"活塞发动机","指一种使用一个或多个往复式活塞的常见内燃机。","actionData","errors"]