单词	trapezoid
释义	trapezoidtrapezoid /ˈtræpəzɔɪd/ noun [countable] Etymology ETYMOLOGYtrapezoid Origin: 1700-1800 Modern Latin trapezoïdes, from Greek, trapezium-shaped, from trapeza; ➔ TRAPEZIUM math, geometry a flat shape with four sides, of which only two are parallel
随便看	punctuation punctuation mark puncture pundit pungency pungent pungently puniness punish punishable punishing punishingly punishment punitive punitively punk punkin Punnett square punster punt punter puny pup pupa pupal

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