hallmark[hɔ:lˈmɑ:k]

n.检验，标志，特点v.盖上检验标志

• speciality
• specialize
• specialty
• specie
• species
• specific
• specification
• specify
• specimen
• specious
• speck
• speckle
• specs
• spectacle
• spectacular
• spectator
• spectre
• spectroscope
• spectrum
• speculate
• speculation
• speculative
• sped
• speech
• speed