abbr. Hyperbolic Tangent 
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keratorrhexis, keratoscope, keratoscopy, keratose, keratosis, keratosis pilaris, keratosulisturia, keratosulphate, keratotomy, keraunograph,
相似单词
Tangshan, tanguile, tangun, Tangut, tangy, tanh, tania, tanier, Tanis, tanist,