saw·tooth /-ˌtuθ/ 鋸齒,銳齒
sawtooth 鋸齒( 波 )
sawtooth 鋸齒
Saw·tooth n. Zool. An arctic seal (Lobodon carcinophaga), having the molars serrated; -- called also crab-eating seal. ◄ ►
sawtooth n : a serration on a saw blade