单词	power shovel
释义	power shovel noun : a power-operated excavating machine consisting of a boom or crane that supports a lever arm with a large bucket at the end of it Word History First Known Use 1902, in the meaning defined above
随便看	sit spin sit still sit through sit tight sit under sit up and take notice of sit-down sit-downer sit-downs sit-in sit-ins sit-up sit-upon sitae sitao sitar sitarist sitarists sitars sitas sitatunga sitatungas sitch sitches sitcom

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