单词	backstand
释义	backstand noun : a device for regulating machinery belt tension Word History First Known Use 1899, in the meaning defined above
随便看	amentaceous amental amentia amentias Amentiferae amentiferaes amentiferous amentiform aments amentum amer Amer Amera Amerasian amerasians amerce amerced amercement amercements amercers amerces amerciable amerciament amerciaments amercing

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