单词	head dip
释义	head dip noun : a surfing feat in which a surfer squats on the board, leans forward, and dips his or her head into the wave Word History First Known Use 1962, in the meaning defined above
随便看	radial canal radial cleavage radial drill radial engine radial gate radial head radial ker radial keratotomy radial motion radial quantum number radial saw radial sector radial shield radial symmetry radial velocity radial-flow radiale radialer radiales radialest radialia radialisation radialisations radialise radialised

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