单词	underprop
释义	un·der·prop (ŭn′dər-prŏp) tr.v. un·der·propped, un·der·prop·ping, un·der·props To prop (something) from below.
随便看	roller roller bearing Rollerblade roller coaster rollercoaster roller hockey roller skate roller-skate roller skater attune Atty. Atty. Gen. ATV at war at will at wits' end atwitter Atwood at work at worst at. wt. atypic atypical atypicality atypically

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