单词	headvoice
释义	headvoice noun : the vocal tones of the head register Word History First Known Use 1806, in the meaning defined above
随便看	sphenacodont Sphenacodontia sphendone sphendones sphene sphenes sphenethmoid sphenion sphenisci Spheniscidae spheniscidaes Sphenisciformes sphenisciformeses sphenisciformesses Spheniscomorphae Spheniscus spheniscuses spheniscusses spheno- spheno-occipital spheno-occipital suture sphenobasilar sphenobasilic sphenocephalia sphenocephalic

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