英['ekskəveɪtə(r)]美['ekskəveɪtər] n. 打洞机;挖掘者;开凿者 中文 双解 英英 词法 noun(名词) 挖土机;挖掘机 noun(名词) a large, powerful machine with a container connected to a long arm, used for digging up the ground挖土机;挖掘机 n.a workman who excavates for foundations of buildings or for quarryinga machine for excavating同义词:power shovel / digger / shovel 词态 复数:excavators; 语态 双解例句 noun(名词) 挖土机;挖掘机 实用短语swing excavator全回转式挖掘机,回转式挖掘机walker excavatorhydraulic crawler excavator履带式液压挖掘机,excavator stoplight挖掘机停车灯excavator travel motor挖掘机行走马达excavator bucket挖斗,挖土斗,挖掘机斗,挖掘斗hydraulic excavator水力挖土机,液压挖掘机,液压式挖土机,挖掘机tower excavator塔式挖土机,walking excavator迈步式挖掘机,步行挖掘机,行动式挖土机 常用短语hydraulic excavator液压式挖土机,液压挖掘机;水力挖土机wheel excavator轮式挖掘机,轮式挖土机bucket wheel excavator斗轮挖掘机;戽头转轮挖土机 同根词词根:excavaten.excavation挖掘,发掘vi.excavate发掘;细查vt.excavate挖掘;开凿